- Hydrographic Surveys in ports and harbours
- Hydrographic Surveys in inland navigation canal
- Hydrographic Surveys in dams and reservoirs
- Tidal observation
- Volume calculations
- Pre and Post dredging surveys
- Project surveys
Locate us
Office of The Chief Hydrographer
Hydrographic Survey Wing,
Aryankuzhi road,
Kamaleswaram.
Manacaud.P.O
Thiruvananthapuram - 695 009