Talks

Talks given since joining IOP

Special Letcures/Talks

  1. Distinguished speaker Talk at the Annual Function of DAE-UGC CSR, Indore, Dec. 2014, on “Investigating Cosmic string theories with Liquid Crystal Experiments”
  2. Institute Public Lecture given at IIT Roorkee on the topic, ”Detection of Gravitational waves, a new window to the Universe”, 5th Oct. 2016. (Youtube link: https://www.youtube.com/watch?v=hj73AwZg9A8)
  3. Online Talk given in the series ”HBNI Webinar”, on ”The Universe, Elementary particles, and dark Energy”, organized by HBNI, Mumbai, 20th Nov. 2020. (Youtube link: https://www.youtube.com/watch?v=nwVsC6WVmvg&t=1486s)
  4. DAE-C.V. Raman memorial lecture (2020-21) given online, oragnized by Physics Dept. Mumbai University, 27 March, 2021. (Youtube link: https://www.youtube.com/watch?v=lKc4LJepT_4&t=1291s ).

Conference Talks, Colloquia, Seminars, Outside IOP

Within India

  1. Plenary talk on “Electroweak Baryogenesis in a Cold Universe” at the conference on “Quark-Gluon Plasma and Phase Transitions in the Early Universe” held at Puri in Dec.’95.
  2. Seminar on “Formation of Topological Defects” at CTS, IISC, Bangalore in March’96.
  3. Plenary talk on “Formation of Disoriented Chiral Condensates” at the conference on “Physics and Astrophysics of Quark-Gluon Plasma” held at Jaipur in March’97.
  4. Invited Talk on “Physics of Disoriented Chiral Condensates” at the “DCC Forum” organized at VECC Calcutta in Feb.’97.
  5. Colloquium on “Topological Defects in the Laboratory and in Cosmology” at the Department of Physics, Utkal University, in Sept.’97.
  6. Plenary Talk on “Disoriented Chiral Condensates” at the DAE Symposium on Nuclear Physics, Bangalore, Dec.’97.
  7. Invited Talk on “Topological defects in Cosmology”, at the workshop on ” Cosmology, Observations Confront Theories”, IIT Kharagpur, Jan.’99.
  8. Invited Talk on “Topological defects in condensed matter systems”, given at CMDAYS’99, Jadavpur University, July’99.
  9. Plenary Talk on “Formation of disoriented chiral condensates in relativistic heavy-ion collisions”, given at WHEPP6, Matscience, Chennai, Jan.’2000
  10. Invited Talk on “Testing cosmic defect models in liquid crystal experiments”, given at WHEPP6, Matscience, Chennai, Jan.’2000.
  11. Seminar on “Formation of disoriented chiral condensates in relativistic heavy-ion collisions”, given at Physics dept. BHU, Varanasi, Feb. 2000.
  12. Seminar on “Formation of disoriented chiral condensates in relativistic heavy-ion collisions”, given at Physical Research Laboratory, Ahmedabad, March, 2000.
  13. Seminar on “Testing cosmic defect models in liquid crystal experiments”, given at Physics dept. BHU, Varanasi, Feb. 2000.
  14. Seminar on “Testing cosmic defect models in liquid crystal experiments”, given at PRL Ahmedabad, March, 2000.
  15. Seminar on “Testing cosmic defect models in liquid crystal experiments”, given at TIFR, Mumbai, March, 2000.
  16. Seminar at Physics Dept. Berhampur University, April’2000.
  17. Seminar on “Formation of disoriented chiral condensates in relativistic heavy-ion collisions”, given at IIT, Kanpur, May’2000.
  18. Colloquium at Physics Dept. Banaras Hindu university, Aug.’ 2000.
  19. Plenary talk on “Physics of heavy-ion collisions”, given at the DAE Symposium on HEP, Hyderabad university. Dec.’2000.
  20. Seminar on “Possibility of Baryon Number Violation at Hot Spots in Relativistic Heavy-Ion Collisions”, given at the VECC, Kolkata, July’2001.
  21. Invited talk on “Promoting scientific culture at research institutes in India”, given at the conference organized by the Indian Physics Association, BARC, Mumbai, Nov.’2003
  22. Invited talk on “Skyrmion formation in quark-hadron phase transition with non-zero chemical potential”, given at the Workshop on Nonequilibrium Field Theory, TIFR, Mumbai, Dec.’2003
  23. Invited talk on “Recent observational constraints on cosmic defects”, given at WHEPP8, IIT Bombay, Mumbai, Jan’2004.
  24. Invited talk on “Topological Defects in Cosmology”, given at the Workshop on “Strings and Cosmology”, IUCAA, Pune, Oct.,2004.
  25. Invited talk on “Chiral Symmetry and DCC”, given at QGP Meet’04, IOP, Oct’2004.
  26. Invited talk on “Baryon fluctuation via Z(3) interfaces in the early universe”, at the Workshop on “Supercomputing relativistic heavy-ion collision physics”, TIFR Mumbai, Dec.2005.
  27. Lecture on “Phase transitions in the early universe”, given at the UGC Refresher course for teachers, Physics Dept., Utkal University, Bhubaneswar, Jan. 2006.
  28. Colloquium on “Testing cosmology in liquid crystal experiments” given at PRL, Ahmadabad, Feb. 2006.
  29. Lecture given at the Refresher course at Physics Dept., Utkal university in Aug.’06, on ” QGP in the universe and in relativistic heavy-ion collisions”.
  30. Invited talk on “Hadrons and QGP”, given at the DAE HEP Symposium at IIT Kharagpur, Dec. ‘2006.
  31. Talk given on “thermal history of the Universe” at Physics Dept. Utkal univ. in IUCAA School on Astrophysics, Jan.2007.
  32. 6 lectures on “the thermal history of the universe”, given at the refresher course in physics at Sambalpur University, physics dept., Feb.’07.
  33. Colloquium given at the Physics Dept., IISc, Bangalore, March’ 2007 on “Investigating cosmic defects with liquid crystal experiments”.
  34. Lecture given at the Refresher course at Physics Dept., Utkal university in Dec.’07, on ” The thermal history of the Universe”,
  35. Talks given on “Super-horizon fluctuations and acoustic oscillations in relativistic heavy-ion collisions” at the Indian institute of Astrophysics, Bangalore, Jan’08.
  36. Talks given on “Super-horizon fluctuations and acoustic oscillations in relativistic heavy-ion collisions” In the Working group on QGP at WHEPP at IMSc, Jan’2008.
  37. Talks given on “Super-horizon fluctuations and acoustic oscillations in relativistic heavy-ion collisions” at Physics Dept. IIT Kanpur, March’08.
  38. Talks given on “Super-horizon fluctuations and acoustic oscillations in relativistic heavy-ion collisions” at RRI, Bangalore, in May’08.
  39. Invited talk on “Acoustic fluctuations at Relativistic Heavy-ion Collisions” in the program: “Initial conditions in heavy-ion collisions: QCD at high parton density” at the International Center in Goa, Sept. 2008.
  40. Invited talk on “Formation of Cosmic String network from black holes: Implications from liquid crystal experiments” in the seventh meeting of the Field Theoretic Aspects of Gravitation (FTAG-VII) held at the Indian Institute of Advanced Study, Shimla, Nov. 2008.
  41. Invited talk on “Acoustic oscillations at RHIC” at the International Workshop on Radiation Matter interaction at Physics Dept. BHU, Varanasi, Dec. 2008.
  42. Colloquium on “Our Universe, CMBR, and heavy ion collisions”, Physics Dept. BHU, Varanasi, Dec. 2008
  43. Invited talk on “Investigating Cosmic defects in liquid crystal experiments” at the International Conference on Mesogenic and Ferroic Materials in the Department of Physics, Banaras Hindu University, Jan. 2009
  44. Invited Talk on “Hydrodynamics of Quark-Gluon Plasma”, in the Lecture series on Fluid Dynamics at Chennai Mathematical Institute, Chennai, Feb. 2009.
  45. Seminar on “Investigating Cosmic defects in liquid crystal experiments” at Physics Dept. J.N.U., New Delhi, March, 2009.
  46. Colloquium on “CMBR and Relativistic Heavy-Ion collisions” given at Physics Dept., Delhi University, March, 2009.
  47. Seminar on “CMBR and Relativistic Heavy-Ion collisions” given at Physics Dept., Jamia Millia Islamia University, N. Delhi, March, 2009.
  48. Colloquium on “Super-horizon fluctuations in CMBR and in relativistic heavy-ion collisions”, at H.R.I. Allahabad, Sept. 2009
  49. Colloquium on “Einstein’s relativity theory and the structure of the universe” (in Hindi), at Physics Dept., Allahabad University, Allahabad, Sept. 2009.
  50. Invited Talk on “Initiative, Imagination, and creative thinking in physics education”, in the Conference on “Physics education research and e-learning modules” at Physics Dept., Allahabad University, Feb., 2010.
  51. Invited Talk on “Quark-gluon plasma in the early universe”, in the conference on “Aspects of quantum cosmology and early universe” at the Physics Dept. Utkal University, Bhubaneswar, March, 2010.
  52. Colloquium on “Super-horizon fluctuations in CMBR and in relativistic heavy-ion collisions”, at NCRA, Pune, July, 2010.
  53. Invited Talk on “Superhorizon fluctuations in relativistic heavy-ion collisions and CMBR” at the DAE Symposium on Nuclear Physics, BITS, Pilani, Dec. 2010.
  54. Talk at NISER, Bhubaneswar, on “testing cosmic string theories in liquid crystal experiments”, Feb. 2011.
  55. Talk at the Nuclear Physics Division, BARC, on “Superhorizon fluctuations in relativistic heavy-ion collisions and cosmic microwave background”, March 2011.
  56. Talk at the Center for Excellence in Basic Sciences (CBS), Bombay university on “Learning science, doing research, 3 Idiots’ way” 2nd March, 2011.
  57. Two Talks (invited) on “The Universe and elementary particles” at the workshop on “new trends in particle and nuclear physics”, BHU, Physics Dept. March, 2011.
  58. Invited talk on “Probing the anisotropic expansion history of the universe with cosmic microwave background”, in the Indo-UK seminar “Confronting particle-cosmology with PLANCK and LHC”, at IUCAA, Pune, Aug. 2011.
  59. Colloquium on “Universe and the dark energy”, at the Physics Dept., BITS, Pilani, Oct. 2011.
  60. Seminar on “Dark energy and our Universe” in the Physics Dept. Ravenshaw University, Cuttack, Oct. 2011.
  61. Seminar on “Dark energy in the Universe” at the Physics Dept., Berhampur University, on 28th Feb. 2012.
  62. Seminar on “Dark energy in the Universe” at the Institute of Technical Education and Research , Siksha ‘O’ Anusandhan University, Bhubaneswar, May 2012.
  63. Seminar on “CMBR anisotropies in the universe and flow fluctuations in relativistic heavy ion collisions”, at IIT Madras, Chennai, Aug. 2012.
  64. Seminar on “CMBR anisotropies in the universe and flow fluctuations in relativistic heavy ion collisions”, at IMSc, Chennai, Aug. 2012.
  65. Invited Talk in on “Laboratory cosmology: Studying cosmic strings in liquid crystal experiments” in the Conference on “Condensed Matter and Biological Systems (CCMB13)” at BHU, Varanasi, Jan. 2013.
  66. Invited talk on “Investigating the Universe in a table top liquid crystal experiment”, First IAPT national Student Symposium in Physics (NSSP13), Panjab Univ. Chandigarh, Feb.2013.
  67. Seminar on “Dark Energy in the Universe”, at Sreegopal Banerjee College, Mogra, Hooghly, Sept. 2013.
  68. Summary Talk on Theory at the conference on “Matter at extreme Conditions, then and now”, Bose Institute, Kolkata, Jan. 2014.
  69. Colloquium on “Investigating cosmic string theories with liquid crystal experiments”, at Physics Dept. IIT Madras, Chennai, Jan. 2014.
  70. Plenary talk in Frontiers in Physics 2014 conference at Physics Dept. Hyderabad Univ., Oct.2014, on “Investigating Cosmic string theories with Liquid Crystal Experiments”
  71. Invited talk on “QGP in the universe, from early stages to the present”, at the International conference on Physics and Astrophysics of quark-gluon plasma (ICPAQGP), at VECC, Kolkata, Feb. 2015.
  72. Invited Talk on “New ideas for signals at LHC and FAIR”, at the discussion meeting at Bose Institute, Darjeeling, 9 Feb. 2015.
  73. Chief Guest seminar on “Our Universe, Elementary Particles, and Dark Energy” in the Annual Seminar of Ravenshaw University, Cuttack, March 2015.
  74. Seminar on “Thermal history of the Universe and microwave background radiation” in the National Seminar at the Physics Dept., Assam University, Silchar, Oct. 5-6, 2015.
  75. Seminar on “Dark matter and dark energy in the universe” in the National Seminar at the Physics Dept., Assam University, Silchar, Oct. 5-6, 2015:
  76. Invited talk on “Power spectrum of flow fluctuations in relativistic heavy-ion collisions”, at “CNT QGP Meet 2015” workshop, held at VECC, Kolkata, 16-20 Nov 2015.
  77. Seminar on “Initial conditions for inflation” in the working group on Astro-particle physics at WHEPP14 (Workshop on High Energy Physics Phenomenology), 4-13 Dec. 2015.
  78. Invited talk on “Propagation of heavy quarks in QGP in the presence of spatially and temporally varying potential”, in the Second Heavy Flavour Meet at SINP, Kolkata, Feb. 4 – 6, 2016.
  79. Invited talk on “Investigating Cosmic string theories with Liquid Crystal Experiments”, at the Research Scholars Week Symposium, at NIT Rourkela, Feb, 2016.
  80. Invited talk on “Investigating Cosmic string theories with Liquid Crystal Experiments”, at the National Seminar on Advances in Astro-Particle Physics (AAP-2016), Feb. 2016, Sambalpur University.
  81. Invited talk on ” High density QCD phase transitions inside neutron stars: glitches and gravitational waves”, at PHENO1 conference, IISER Mohali, 6-9 April, 2016.
  82. Plenary talk on “Strongly interacting matter at high baryon density: from neutron superfluidity to color superconductivity” at the PRL Conference on Condensed Matter Physics, PRL Ahmedabad, 11-13 April, 2016.
  83. Invited talk on “Flow power spectrum in heavy-ion collisions” at the International Conference on “Compressed Baryonic Matter (CBM) Physics, at Sikkim Manipal Institute of Technology, Rangpo, Sikkim, 22 June 2016.
  84. Invited talk on “Flow as a probe of the phases of QCD matter formed in heavy-ion collisions” at the International Symposium, “A Journey from Nuclei to Quarks” held at VECC, Kolkata, 29th June,2016.
  85. Guest Lecture organized by IPA, IIT Roorkee chapter, at the Physics Dept. IIT Roorkee, on the topic, “Investigating Cosmic String theories with Liquid Crystal Experiments”, 6th Oct. 2016.
  86. Colloquium on “Investigating Cosmic string theories’ with Liquid Crystal Experiments” given at the Physics Dept., Delhi University, 7th Nov. 2016.
  87. Seminar on “From the universe to relativistic heavy-ion collisions: CMBR fluctuations and flow anisotropies” given at the Indian Association for the Cultivation of Science, 22nd Nov. 2016.
  88. Colloquium on “Investigating Cosmic string theories with Liquid Crystal Experiments” given at the Indian Association for the Cultivation of Science, 23rd Nov. 2016.
  89. Invited talk on “setting initial conditions for inflation with reaction-diffusion equation”, given at the International conference “Saha Theory Workshop: Aspects of Early Universe Cosmology”, SINP, Kolkata, 16-20 Jan, 2017.
  90. Colloquium given at the Physics Dept. BHU, Varanasi on, “Detection of Gravitational waves, a new window to the Universe”, 22nd Feb. 2017 .
  91. Lecture on “Cosmology” at OCSC HBCSE meeting for the selection of Indian team for the International Olympiad in Astronomy and Astrophysics (held in Thailand in Nov. 2017), May 2-8, 2017.
  92. Talk on “Failure of geometrical optics in the Mirage phenomenon, and determination of acid rain content by rainbow parameters” at NIUS camp at HBCSE, Mumbai, 15 June, 2017.
  93. Plenary Talk on “CMBR power spectrum and flow anisotropies in relativistic heavy-ion collisions” given at the International Conference, “Light Cone meeting LC 2017” “Frontiers in Light Front Hadron Physics- Theory and Experiment” held at the University of Mumbai from September 18-22, 2017.
  94. Working Group Talk on ” Setting Initial Conditions for Inflation with Reaction-Diffusion Equation”, given in the Working group on Astroparticle Physics at the International Conference, “Workshop on High Energy Physics Phenomenology”, heldAug. 20, 4 pm IAPT talk at IISER Bhopal, 14-23 Dec. 2017.
  95. Working Group Talk on “Chiral Magnetic and Chiral Vortical effects in relativistic heavy-ion collisions”, given in the Working group on QCD and QGP at the International Conference, “Workshop on High Energy Physics Phenomenology”, held at IISER Bhopal, 14-23 Dec. 2017.
  96. Working Group Discussion Talk on “Entanglement of neutrinos from supernova”, given in the Working group on neutrinos at the International Conference, “Workshop on High Energy Physics Phenomenology”, held at IISER Bhopal, 14-23 Dec. 2017.
  97. Two invited lectures on “thermal history of the universe” given at the “IUCAA sponsored workshop on Astronomy and Astrophysics” in NIT Rourkela, 9th March, 2018.
  98. Invited talk on “Topological Structures in QCD phases at high baryon density”, given at PRL Conference on Condensed matter physics, PRL, Ahmedabad, 15th March, 2018.
  99. Talk on “High density QCD phase transitions inside Aug. 20, 4 pm IAPT talkneutron stars: Glitches and Gravitational waves”, given at Physics Dept. IISER Kolkata, 7th March, 2018.
  100. Talk on “High density QCD phase transitions inside Aug. 20, 4 pm IAPT talkneutron stars: Glitches and Gravitational waves”, given at Physics Dept. JNU, New Delhi, 12th April, 2018.
  101. Talk on “High density QCD phase transitions inside Aug. 20, 4 pm IAPT talkneutron stars: Glitches and Gravitational waves”, given at Physics Dept. Delhi University, New Delhi, 13th April, 2018.
  102. Lecture on “Thermal History of the Universe” at OCSC HBCSE meeting for the selection of Indian team for the International Olympiad in Astronomy and Astrophysics, May 3-5, 2018.
  103. Two invited talks (one on “Cosmology” and the other on “Detection of Gravitational Waves”) given at the Lecture workshop on “Higher Energy Physics” at the Maharajah’s College, Vizianagaram, August 9-10, 2018
  104. Seminar on “Cultivation of Scientific Temper: Focus on Indian Science Community”, given at the conference on “Integrating science with society” 15 December 2018, Jadavpur University, Kolkata.
  105. Three lectures on “CMBR Physics and Magnetohydrodynamics in relativistic heavy-ion collisions” given at the conference,”First IMSc discussion meeting on extreme QCD matter” held at IMSc, Chennai, during 16-18 Sept. 2019.
  106. Invited talk on “Re-visiting gravitational wave events via pulsars” given at the International Workshop FHEP-2019 “Frontiers in High Energy Physics 2019” held at University of Hyderabad, 14-17 Oct. 2019.
  107. Invited talk on “Probing neutron star physics with heavy-ion collisions and via gravitational waves” given at the International Workshop on “QCD in the Nonperturbative Regime”, held at TIFR, Mumbai, 18-20 Nov. 2019.
  108. Online talk on “Re-visiting gravitational wave events via pulsars” given at the Virtual Institute of Astroparticle physics, Nov. 22, 2019. (Link: http://viavca.in2p3.fr/ajit_srivastava.html).
  109. Talk on “Detecting gravitational waves with pulsars as Weber Detectors” given in the Working group on “Cosmology and Astroparticle physics” in the “International Workshop on High Energy Physics Phenomenology (WHEPP) XVI”, 1-10 Dec. 2019.
  110. Invited talk on “Probing initial state fluctuations in heavy-ion collisions with power spectrum of flow coefficients”, given at the International Workshop “QCD with Electron-Ion Collider (QEIC)” held at IIT Bombay, Mumbai, January 4-7, 2020.
  111. Invited talk on “Detecting gravitational waves with pulsars”, given at the International Conference on “Emerging Issues in Cosmology and Particle Physics (EICP2)” held at Physics department, Visva-Bharati University, Santiniketan, Jan. 12-14, 2020.
  112. Webinar on “The Universe, elementary particles, and dark energy”, organized by Department of Physics of K. J. Somaiya College of Science and Commerce in collaboration with IAPT Mumbai Sub-Regional Council, 20th Aug. 2020.
  113. Online Colloquium on “The Universe, elementary particles, and dark energy”, given for the department of Physics, Pabna University of Science and Technology, Pabna, Bangladesh, Aug. 26, 2020.
  114. Invited talk on “Pulsars as resonant Weber gravitational wave detectors”, given at the International Conference “Anomalies 2020”, Organized Online by IIT Hyderabad, Sept. 11, 2020.
  115. Online talk on “Detecting gravitational waves with pulsars as resonant Weber detectors”, given in the series “Nature – as we unfold it”, organized by the Centre for Astroparticle Physics and Space Science, Bose Institute, Kolkata, 31st Oct. 2020.
  116. Online invited talk on “The Universe and Elementary Particle Physics”, given in the Webinar Lecture series program “From Tiny Atoms to Solid to Cosmos: The Quantum Aspects”, organized by the College of Engineering and Technology, Bhubaneswar, 2nd Dec. 2020.
  117. Online Colloquium for Physics Dept. Oklahoma State Univ. on “Investigating Cosmic String Theories in Liquid Crystal Experiments”, 25 Feb. 2021.
  118. Webinar, Physics Dept. Berhampur University online “Universe, elementary particles and dark energy”, 22 March 2021.
  119. Invited talk on “Probing high baryon density QCD phases in pulsar cores”, given at the “Conference On Condensed Matter Physics (CCMP2021) – Online”, PRL Ahmedabad, 18th Aug. 2021
  120. Invited talk on “Quark-gluon plasma: from Laboratory to Cosmos”, given at the “Online Lecture Workshop on Challenges in Theoretical and Computational Physics”, Centre for Excellence in Theoretical and Computational Sciences (CETACS), University of Mumbai, 26th Oct. 2021.

Outside India

  1. Seminar on “Testing cosmic defect models in liquid crystal experiments”, given at Physics Dept., Syracuse University, USA, Nov.’2001.
  2. Invited talk on “Testing cosmic defect theories in liquid crystal experiments” given at the International conference on “Cosmological phenomena and their condensed matter analogues” (COSLAB 2005), Institute of experimental physics, Slovakia, Sept. 2005.
  3. Invited talk on “Formation of Cosmic String network from black holes: Implications from liquid crystal experiments” given at the International conference on “Laboratory Cosmology – COSLAB 2006”, September, 2006. Lorentz center, Netherlands.
  4. Seminar on “Z(N) strings and walls in QGP” at the Physics Dept. Imperial College, London, Sept. 2006.
  5. Invited talk on “Superhorizon fluctuations in relativistic heavy-ion collisions and CMBR” in the “Symposium on Contemporary Physics” at Physics Dept. McGill Univ., Montreal, Canada, June, 2012.
  6. Invited talk on “Superhorizon fluctuations in relativistic heavy-ion collisions and CMBR anisotropies” in the “ATHIC-13” Conference in Pusan, S. Korea, Nov. 2012.
  7. Seminar on “Inflationary fluctuations in the universe and flow anisotropies in heavy-ion collisions”, at Physics Dept. Univ. of Daegu, South Korea, Nov. 2012.
  8. Plenary talk at JINR, Dubna, Russia, June’14: “Relativistic heavy-ion collision research in India’
  9. Invited talk at JINR, Dubna, Russia, June’14: “Flow fluctuations in heavy-ion collisions and CMBR anisotropies”
  10. Invited talk on “Effect of magnetic field on flow fluctuations in relativistic heavy-ion collisions”, given at the workshop on “Magnetic field and vorticity in heavy-ion collisions, Jan. , 2015, Phys. Dept., UCLA, USA.
  11. Seminar on “Probing dynamics of phase transitions inside pulsar cores”, Phys. Dept. Syracuse Univ. USA, Jan. 26, 2015.
  12. Invited talk on “Effect of superfluid vortices and magnetic field on the power spectrum of flow fluctuations”, given at the International workshop “Hadronic matter under extreme conditions-2016”, JINR, Dubna, Russia, 3rd Nov. 2016.
  13. Invited talk on “Effect of magnetic field on flow fluctuations in relativistic heavy-ion collisions”, given at the workshop on “Magnetic field and vorticity in heavy-ion collisions, March 27-30 , 2017, Phys. Dept., UCLA, USA.
  14. Seminar on “Power spectrum and flow fluctuations in relativistic heavy-ion collisions” given at the Physics Dept. Univ. of Illinois, Urbana Champaign, USA, 5th April 2017.
  15. Seminar on “Effect of magnetic field on flow fluctuations in relativistic heavy-ion collisions”, given at Brookhaven National Lab, Upton, NY, USA, April 14, 2017.
  16. Invited talk on “Magneto-hydrodynamics simulations and flow fluctuations”, given at the International workshop “II International Workshop on Simulations of HIC for NICA energies”, JINR, Dubna, Russia, 16-19 April 2018.
  17. Seminar on “Towards laboratory detection of superfluid phases of QCD” given at Physics Dept. Brookhaven National Lab, USA, 9th Nov.2018
  18. Colloquium given at Physics Dept. Univ. of Nebraska, Lincoln, USA, “Investigating cosmic string theories in liquid crystal experiments” 31st Jan., 2019.
  19. Seminar given at Physics Dept. Syracuse University, Syracuse, N.Y. USA, “Pulsars as Weber gravitational wave detectors”, 8th April, 2019.

Seminars/Colloquia Delivered Within IOP

  1. Condensed Matter Physics group seminar on “Topological Defects in Liquid Crystals”, 1995.
  2. Two HEP group seminars on “Topological Spin Statistics theorems and a Generalized Spin-Statistics theorem for String Loops”, 1995.
  3. Seminar in the meeting of WA98 group on “Anti-baryon Production by Disoriented Chiral Condensates”, 1996.
  4. Colloquium on “Topological Defects in the Universe and in the Laboratory”, 1997.
  5. Presented a seminar on “Disoriented Chiral Condensates” at the workshop on “Physics of Relativistic Heavy-Ion Collisions”, at IOP, Bhubaneswar, May’98.
  6. Seminar at IOP on “Topology of vortices”, in “I Wanna Know” series, May 2002.
  7. Seminar at IOP on “Fluctuations in physics”, in “I Wanna Know” series, March’2003.
  8. Lectures in the refresher course for college teachers at IOP on “Classical mechanics and Electrodynamics, Geometrical aspects”, for May’2002,
  9. Lectures in the refresher course for college teachers at IOP on “Classical mechanics and Electrodynamics, Geometrical aspects”, for May 2003
  10. Lectures in the refresher course for college teachers at IOP on “Classical mechanics and Electrodynamics, Geometrical aspects”, for May 2004.
  11. Talk on “Disoriented Chiral Condensates”, Nuclear Physics Group, IOP, Oct.’2004.
  12. Five lectures given in the refresher course for college teachers at IOP on “Classical mechanics and Electrodynamics”, June’2005.
  13. Talk on “Black holes” given in the program “Year of Physics”, at IOP, Nov. 2005.
  14. Three Lectures given in the refresher course for college teachers at IOP on “The Universe”, June’2006.
  15. Four lectures given in the refresher course for college teachers at IOP on “Astro-particle Physics”, June’2007.
  16. NISER Colloquium given on “Our Universe and Elementary Particles”, Sept. 2007.
  17. Four lectures given in the refresher course for college teachers at IOP on “Astro-particle Physics”, June’2008.
  18. Colloquium on “Cosmic Microwave Background Radiation, Inflation, and Relativistic Heavy-ion Collisions”, Oct. 2009
  19. Talk on “Investigating cosmic defects with liquid crystal experiments” at the Alok Kumar Memorial Meeting, IOP, Jan. 2010
  20. Talk on “Learning Science, doing Research, Three Idiot’s Way”, at IOP, Aug. 2013
  21. Condensed matter Journal Club Talk on “Introduction to topological defects”, May, 2014
  22. Seminar/Discussion on “Initial conditions for Inflation” at COSMOASTRO15, Discussion meeting on Cosmology and Astroparticle physics, held at IOP, Bhubaneswar, 30th Oct. – 5th Nov., 2015.
  23. HEP-Journal Club Talk on “Evaporating primordial black holes as varying dark energy”, 21 Aug. 2019.

Popular Talks

  1. Talk on “Particle Physics Models of the Early Universe”, at Physics Dept. Ravenshaw College, Cuttack, Dec.’2000.
  2. Talk on “The Early Universe”, at the “Students Summer Vacation Program”, Organized by the Alumni Association, IOP, May’2000.
  3. Lecture on “Relativity, classical and special”, given at the “Students Summer Vacation Program”, Organized by the Alumni Association, IOP, May’2001.
  4. Talk on “Our Universe” at BJB College, Bhubaneswar, May 2002
  5. Two lectures on “Our Universe” for students of Loyola School, Bhubaneswar, 2003.
  6. Plenary Talk on “Our Universe and Elementary Particles”, at the “Regional Conference on Popularization of Science and Technology for Social Development”, organised by Kalinga Foundation Trust at IOP, Feb.’2005.
  7. Talk (in Hindi) on “Einstein and the universe”, given at IOP, for students from Oriya medium schools, Nov.’2005.
  8. Talk on “Einstein and the universe”, at DAV School, Bhubaneswar, Oct.’2005.
  9. Talk on “the universe” at Regional Science Centre, Bhubaneswar, Oct. 2005.
  10. Talk on “CMBR” at SCAAA meeting, Bhubaneswar, July,’2006.
  11. Talk on “Our universe and CMBR” at the Physics Dept., Allahabad Univ. Nov. ’06.
  12. Talk on “the Universe” at Regional Institute of Education, Bhubaneswar, Dec. ’06.
  13. Talk on “Einstein and 20th century physics” at Khurda College, Bhubaneswar, March’07.
  14. Talk on “The universe and CMBR”, At the Orissa Physical Society meeting, Bhubaneswar, Jan. 2008.
  15. Talk on “Large Hadron Collider” at the Regional Science Center, for school students, Nov. 2008.
  16. Talk/discussion with school children on “The Universe” at Krishna Murthy Foundation school, Varanasi, Dec. 2008
  17. Discussion/talk on angular momentum, with school children at SC/ST research center, organized by Institute of Mathematics and Applications, Bhubaneswar, Dec. 2008.
  18. Chief Guest speech on International year of Astronomy and Chandrayaan Mission for State level Quiz winners at Regional Science center, Jan. 2009.
  19. Talk on Universe, CMBR and Large Hadron Collider for NTS scholars at Regional Institute of Education, Jan. 2009.
  20. Talk at the Refresher course for school teachers at the Kendriya Vidyalaya-3, Bhubaneswar, on “wave particle duality and photoelectric effect’, May, 2009
  21. Talk (in Hindi) on “Science education and regional languages” at Directorate of Water Management, Bhubaneswar, Sept. 2009
  22. Talk on “Eclipses and superstitions”, KISS, Bhubaneswar Demonstration of solar eclipse to KISS students, Dec. 2009
  23. Talk on “Eclipses and superstitions”, KISS, Bhubaneswar Demonstration of solar eclipse to KISS students, 15 Jan. 2010
  24. Talk on “Our universe and elementary particles”, at IOP to school students from Jharsgura, Jan. 2010.
  25. Talk at Regional Science Centre for School students on “Chandrayaan mission and water on moon”, Jan 2010.
  26. Talk on “Science as career choice”, for school students at the Institute of Mathematics and Applications, Bhubaneswar, April 2010.
  27. 11th May 2010, regional science Center, Talk at Regional Science Centre for School students on “Nuclear energy”, May 2010.
  28. Talk on “The Universe”, for school students (Class VII-IX) at the Institute of Mathematics and Applications, Bhubaneswar, June 2010.
  29. Talk to XI-XII science students from Orissa, in the INSPIRE Internship Programme at KIIT University, on ” elementary particles and the universe”, June 2010.
  30. Talk on “Looking at the sky, stars, universe”, for school students (Class VII-VIII) from rural areas at the Institute of Mathematics and Applications, Bhubaneswar, Oct. 2010.
  31. Talk and discussion on “Everyday science” for school students at the Institute of Mathematics and Applications, Bhubaneswar, Dec. 2010.
  32. Popular talk and telescope show for “looking at moon and Jupiter” for class IX students at IMA, Bhubaneswar, Jan, 2012.
  33. Two talks on “Dark Energy” at the meetings of Samanta Chandra Sekhar Amateur Astronomers’ Association (SCAAA), in Nov. and Dec. 2011.
  34. Popular talk on “Inspiration and motivation in Science” in the Science Day celebrations of the Physics Dept., Berhampur University, on 28th Feb. 2012.
  35. Popular Talk on “The God Particle” to B.Sc. Students at IMA, Bhubaneswar, Aug. 2012
  36. Popular Talk on “Higgs Boson” at SCAAA, Sept. 2012.
  37. Popular talk on “dark energy” for B.Sc. Hons. students in the “National Seminar on exploration of space for dark energy” at Gopabandhu Science College, Athgarh, Odisha, 22nd Sept. 2012.
  38. Guest scientist talk on “Inspiration for science research” in the Face to Face Session at the National Children’s Science Congress, at the Temple City Institute of Technology \& Engineering(TITE),Khordha, Nov. 2013
  39. Popular talk on “Stars, Galaxies, and black holes in the universe’ for school students at the Science Fair in the Regional Science Center, Bhubaneswar, May, 2014
  40. Popular talk on “Structure of atoms’ for school students at the Science Fair in the Regional Science Center, Bhubaneswar, May, 2014
  41. Popular talk at Regional science centre, Sept. 2014, on “Indian Scientists and their inventions”.
  42. Popular talk in Hindi on “Brahmand ki Sanrachana (Structure of the Universe)” at Regional Science Center, Bhubaneswar, Oct.2014.
  43. Popular talk in Hindi on “Brahmand ki Sanrachana (Structure of the Universe)” at Raj Bhasha meeting on the “Role of science and technology for Made in India” organized by CSIR-IMMT, Bhubaneswar, March, 2015.
  44. Popular Talk on “frontiers of technology”, at Regional Science Center, Bhubaneswar, for school children, May, 2015.
  45. Seminar on “Aviation science in ancient India: Claims and Reality”, 16th Aug. 2015, ‘All Odisha Workshop-2015 on “The development of science in ancient India: Myth and Reality”.
  46. Popular lecture on “Detection of Gravitational waves, a new window to the Universe”, at Ravenshaw University, Dept. of Chemistry, 3rd March, 2016.
  47. Popular lecture on “Detection of Gravitational waves, a new window to the Universe”, at the National Science Day celebration, IOP, Bhubaneswar, 26th March, 2016.
  48. Public Lecture on “Detection of Gravitational waves, a new window to the Universe”, presented at IIT Indore on 5th July, 2016.
  49. Popular lecture on “Detection of Gravitational waves” given for school students at Regional Science Center, Bhubaneswar, 11th May, 2016.
  50. Popular lecture on “Detection of Gravitational waves” given for students at the Institute of Mathematics and Applications, Bhubaneswar, 11th Aug. 2016.
  51. Gave speech on “originality and independence in science” as the Chief guest in the Independence Day program at Loyola School, Bhubaneswar, 15th Aug. 2016.
  52. Popular talk on “The Universe and Dark Energy” for school students (selected from different parts of Odisha), Event organized by “The Science Movement” organization at Suryansh Hotel, 20th Dec 2016.
  53. Popular talk on “Learning science, doing research, Three Idiot’s way”, given at NISER, 14th March, 2017.
  54. Public Talk on “Learning science, doing research, Three Idiot’s way”, given at HBCSE, Mumbai, 15 June, 2017.
  55. Popular talk on “Learning science, Three Idiot’s way”, given at the camp “Science Movement”, held in Bhubaneswar for 100 selected students from across Odisha, 25 Dec. 2017.
  56. Chief Speaker talk for students on Republic day at Carmel English Medium School, Khordha-Odisha, 26 Jan. 2018.
  57. Popular talk on “Our Universe, Elementary Particles, and Dark Energy”, given at IMMT, Bhubaneswar on National Science Day, 28 Feb. 2018.
  58. Talk on “Universe, elementary particles and dark energy” given at NISER (arranged by the Science Activity Club), 22nd March, 2018.
  59. Talk on “Black holes” given at the Xaviers school Khandagiri for school students 8-10 class in memory of Steven Hawking. March, 2018.
  60. Talk on ” The universe” and discussion on “Career choices”, at Bigyan Jyoti program for girl students, IIT Bhubaneswar, 18 June, 2018.
  61. National Science temper day, talk on “Detection of gravitational waves” for school students at IOP, 20th Aug. 2018.
  62. Talk in Hindi on “Brahmand Ki Sanrachna (Structure of the Universe)”, given at the “Interactive sessions of science teachers and students” for High school teachers and students (Oriya medium) from across odisha, organised by Odisha Bigyan Academy. Program held at the Institute of Management of Agricultural Extension (IMAGE), Bhubaneswar, 8-9 Sept. 2018.
  63. Chief guest talk at Doordarshan Kendra, Bhubaneswar, on “Importance of Hindi as medium of communication” for Hindi Pakhawada samapan samaroh, 1st Oct. 2018
  64. Talk on “Universe and elementary particles” to college students visiting IOP, Bhubaneswar, Dec. 2018.
  65. Talk on “Gravitational waves” to school students in Young Astronomers Talent search program of Tata Steels, at IOP, Bhubaneswar, 13 Dec. 2018.
  66. Talk at TIFR-Hyderabad on “Science research in the spirit of 3-Idiots”, 23 Sept. 2019.
  67. Talk “On wholesome growth of young students” given at the Cohen international school, Bhubaneswar, as Guest of Honor, 18th Feb. 2020.
  68. National Science day talk on “highlights of high energy/nuclear physics research at IOP” for school students (class 7,9), at IOP, Bhubaneswar, 28th Feb. 2020.
  69. Online talk on “The Universe, elementary particles, and dark energy”, given for school students, organized by Bigyan Chetna Mancha, Bhubaneswar, 17th May, 2020,
  70. Online talk on: “Education and Learning in the spirit of Three Idiots”, given for Cohen International School, Bhubaneswar, June 21, 2020,
  71. Online Discussion on the topic: “Motion” in the session of Physics Open Discussion (POD) arranged by the Bigyan Chetana Manch, Bhubaneswar for school students. 27th Sept. 2020.
  72. Online Talk on “Science Learning and research, the Three Idiots’ way”, Organised by CEBS, Mumbai, 18th Oct. 2020. (Youtube link: https://www.youtube.com/watch?v=aIEbpMj-wCY\&t=474s).
  73. Online Talk on “Science: from Home to Cosmos – Fun with Magnets and Excitement of Black Holes” given for children, organized by Surekha Vatika, Hanspal, BBSR, 1st Nov. 2020.
  74. Online Talk on “The Universe, Galaxies, and Black holes”, given for students in the Lectur Series “Virtual Tour of Cosmos for ten days”, organized by the Pathani Samanta Planetarium, Bhubaneswar, 10th Jan. 2021.
  75. Keynote Speaker talk on “The Unievrse, elmentary particles, and dark energy” for the National Science Day celebration at the Centurion University of Technology and Management, (CUTM), Odisha,
  76. Popular talk on “universe and its evolution”, at the Cohen International School, Bhubaneswar, 20th March 2021.
  77. Talk on “Scientific Outlookk” in the Inaugural session of Bigyan Chetna Mancha, Bhubaneswar, 17th July, 2021.
  78. Chief Guest address in the Inaugural Function of the State level resource persons development training workshop on Low-cost hands-on Mathematics through Origami-2021, Regional Institute of Education, Bhubaneswar, 28th Oct. 2021.