Sikkim
| Designation (Connected State/UT) | Name | MTNL/BSNL Office | Residence | Mobile | Fax |
| Chief Secretary | Mr.T.T.Dorji | 03592-202315 204323 | 03592-202448 | 9474151064 | 03592-204323 |
| Principal Secretary (Home) | Mr.J.Singh | 03592-204290 | 03592-2270655 | 943401127 | - |
| DG (Police) | Shri C.M.Ravindran | 03592-202747 202341 | 03592-203943 | 9434008088 | - |
| Secretary Disaster Management | K.T.Chankapa | 03592-2026644 | 03592-229473 | - | - |
| Relief Commissioner | N.Tsering | 03592-202664 | - | 9434022414 | - |
| Disaster Management | - | 03592-202664 | - | - | - |
| Chief Relief Officer | - | - | - | - | - |
