भौतिकी संस्थान - टेलीफोन निर्देशिका
| Name(s) | Designation | Office (Direct) | Office (Ext.) | Residence (Direct) | Residence (Ext.) |
| General Phone/ House Security | Ground Floor/ Security | | 6650 | | |
| Lobby Area | First Floor | | | | |
| Room - 101 | Ground Floor | | 6651 | | |
| Room - 102 | Ground Floor | | 6652 | | |
| Room - 103 | Ground Floor | | 6653 | | |
| Room - 104 | Ground Floor | | 6654 | | |
| Room - 105 | Ground Floor | | 6655 | | |
| Room - 106 | Ground Floor | | 6656 | | |
| Room - 107 | Ground Floor | | 6657 | | |
| Room - 108 | Ground Floor | | 6658 | | |
| Dinning Area | Ground Floor | | 6659 | | |
| VIP Suit(3) | First Floor | | 6660 | | |
| VIP Suite - I ( Room No-201 ) | First Floor | | 6661 | | |
| VIP Suite - II(Room No- 202) | First Floor | | 6662 | | |
| Room - 203 | First Floor | | 6663 | | |
| Room - 204 | First Floor | | 6664 | | |
| Room - 205 | First Floor | | 6665 | | |
| Room - 206 | First Floor | | 6670 | | |
| IV/ D (old) - 1 Qtr. | Guest House | | 6694 | | |
| Banamali Pradhan | MTS/B | | - | | 6729 |
| Basanta Ku Nayak | MTS/B | | - | | 6547 |
