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india flag image Government of India

Central Water Commission

(Serving the nation since 1945)

Welcome To Teesta Basin Organisation, Kolkata

Teesta Basin Organisation (TBO) is one of the thirteen regional organisations of the Central Water Commission (CWC), an apex organisation of Government of India in the field of Water Resources Development and Management. It is a field unit of the River Management (RM) Wing of CWC. The organisation is headed by a Chief Engineer who is assisted by Superintending Engineer (Co-ordination). The Organisation consists of one Investigation Circle headed by Superintending Engineer at Gangtok, Sikkim and one Monitoring & Appraisal Directorate headed by Director at Kolkata, West Bengal.  A detailed organizational structure may  be seen at The jurisdiction of TBO is in two States viz. Sikkim and West Bengal.

TBO is entrusted with the work related to (A) Hydrological observation; collection and compilation of data; operation & maintaining Flood/Inflow Forecasting network; water quality monitoring;  on river Teesta & some more tributaries of Brahmaputra basin viz. Jaldhaka, Torsa, Raidak-I , Raidak-II & Sankosh and part of a tributary of Ganga basin i.e. Upper Mahananda and (B) Monitoring of (a) Major & Medium Irrigation Project  of various categories including (i) Prime Minister Krishi Sinchayi Yojana (PMKSY) – Accelerated Irrigation Benefit Programme (AIBP), (ii) National Projects and (iii) General  and  (b) of Command Area Development & Water Management (CAD & WM) under PMKSY – Har Khet ko pani (HKKP) Scheme; Appraisal of Medium Irrigation Projects; Appraisal and Monitoring of Scheme under Repair, Renovation and Restoration (RRR) of Wate Bodies; and monitoring of Surface Minor Irrigation (SMI) Projects under PMKSY- HKKP.

The Organisation is mandated to support the neighbouring country Bhutan by way of providing services in the field of water resources development, especially topographical surveys & geological investigation, preparation of detailed project report (DPR) of water resources/hydro-power/ flood management projects; micro-seismic data collection, hydrological and meteorological data collection and related studies etc.