| Director General | Dr. S. Raju | DG, GSI, Geological Survey of India, 27 Jawaharlal Nehru Road, Kolkata 700016 | dg.gsi@gov.in | 01001 | 033-2252 1779 | 033-2252 1714 |
| Additional Director General | Shri Mahadev Maruti Powar | Administrative Support System (AdSS), 27 Jawaharlal Nehru Road, Kolkata 700016 | adg.ass@gsi.gov.in | 01063 | 033-22520694 | 033-22520692 |
| Director General | Dr. S. Raju | National Mission Head-III & IV, 15 A & B Kyd street, NCEGR Kolkata 700016 | hodm4@gsi.gov.innmh3@gsi.gov.in | 01036 | 033-22520616 | 033-2286 1716(F) |
| Deputy Director General | Shri Rajinder Kumar | National Mission-IA, GSI Bhu-Bijnan Bhavan (9th Floor), DK-6, Sector-II,SaltLake City,Kolkata 700091 | hodm1@gsi.gov.in | 03101 | 033-2358 3679;9831035610 | 033-23583679 (F) |
| Deputy Director General | Shri Debkumar Bhattacharyya | NMH-IB, GSI Bhu-Bijnan Bhavan (9th Floor), DK-6, Sector-II, Salt Lake City, Kolkata 700091 | nmh1b@gsi.gov.in | 03101 | 033-23583679, 9831035610 | 033-23583679 (F) |
| Deputy Director General | Shri D. V. Ganvir | National Mission Head-II, Geological Survey of India Seminary Hills, Nagpur, Maharashtra | hodm2@gsi.gov.in | 4046 | 0712-2511672 | 0712-2511672 (F) |
| Deputy Director General | Shri. CH Venkateswara Rao | National Mission Head-V, GSI Training Institute, Southern Region PO: Bandlaguda, Hyderabad 500068 | hod.gsiti@gsi.gov.in | 2201 | 040-24227767 ; 9414074055 | 040-24225029 (F) |
| Deputy Director General | Dr. S. P. Shukla | STSS, 27 Jawaharlal Nehru Road, Kolkata 700016 | adg.stss@gsi.gov.in | 01055 | 033-23573234 | 033-23573234 (F) |
| Deputy Director General | Dr. Santanu Bhattacharjee | Personal & Administration, Geological Survey of India, 27 Jawaharlal Nehru Road, Kolkata 700016 | ddg.per@gsi.gov.in | 1006 | 033-2252 1742;033-22861642 | |
| Additional Director General | Shri. Mahadev Maruti Powar | HOD, CHQ, 27 Jawaharlal Nehru Road, Kolkata 700016 | hod.chq@gsi.gov.in | 01063 | 033-22520694 | 033-22520692 |
| Additional Director General | Shri P. V. Ramana Murthy | HOD, ER, GSI Complex, Bhu-Bijnan Bhavan, DK-6, Sector-II Salt Lake, Kolkata 700091 | hod.er@gsi.gov.in | 3001 | 033-23377783 | 033-23219241 (F) |
| Additional Director General | Dr. J. Rajeswar | HOD, CR, Geological Survey of India, Central Region Seminary hills, Nagpur 440006 | hod.cr@gsi.gov.in | 4001 | (0712) 2511671 | (0712) 2511671(F) |
| Additional Director General | Shri G. K. Kesari | HOD, NER, GSI, North Eastern Region Rynjah, Near Police Station Shillong 793006 Meghalaya | hod.ner@gsi.gov.in | 11001 | 0364-2520228;9441209715 | 0364-2520033 (F) |
| Additional Director General | Shri Janak Raj | HOD, NR, GSI, Northern Region GSI Complex, Vasundhara Bhawan, Sector-E, Aliganj, Lucknow 226024 | hod.nr@gsi.gov.in | 5001 | 0522-2321664 | 0522- 2336079 (F) |
| Additional Director General | Shri Janardan Prasad | HOD, SR, GSI Complex, Southern Region, Bandlaguda, Hyderabad 500068 | hod.sr@gsi.gov.inhodsro.gsi@gov.in | 2001 | 040-24220857 | 040-24220958 (F) |
| Additional Director General | Shri Jaya Lal | HOD, WR, GSI Complex, KhanijBhawan 15-16, JhalanaDungri Jaipur 302004 | hod.wr@gsi.gov.in | 6001 | 0141- 2710753 | 0141-2711100 (F) |
| Deputy Director General | Shri Debkumar Bhattacharyya | HOD , RSAS, GSI Complex, Vasudha Bhavan, Kumaraswamy Layout 1st stage, Bengaluru 560111 | hod.rsas@gsi.gov.in | 07001 | 080-26662595 | 080-26662595 (F) |
| Chief Vigilance Officer | Dr. S. Raju | CHQ, Geological Survey of India, 27 Jawaharlal Nehru Road, Kolkata 700016 | cvo@gsi.gov.in | 1014 | 033 2252 1670 | 033 2252-0374 (F) |
| Director & Public Relations Officer (PRO) | Ashish Kumar Nath | 27, J. L. Nehru Road, Kolkata-700016 | pro@gsi.gov.in | 1009 | 9836212342;9868367077 | |
| Director, Gemmology Lab, Kolkata | Shri Sanjay Bharati | 15, A&B, Kyd Street, Kolkata - 700016 | gem.chq@gsi.gov.in | 01053 | 033-22521646 (O) | 033-22861716 |
| Deputy Director General | Shri Basab Mukhopadhyay | HOD, GSI, MCSD, OPWC-I, Mangladevi Road, Pandeshwar, Mangalore- 575001 | hod.mw@gsi.gov.in | | | |
| Director General | Dr. S. Raju | ADG (Finance), Geological Survey of India, 27 Jawaharlal Nehru Road, Kolkata 700016 | adg.fin@gsi.gov.in | 01777 | | |
| Director General | Dr. S. Raju | Policy Support System, Geological Survey of India, 27 Jawaharlal Nehru Road, Kolkata 700016 | adg.pss@gsi.gov.in | 01008 | | |
