NWDA has completed the pre-feasibility studies of fourteen links in the Himalayan component.They are namely:
- Manas-Sankosh-Tista - Ganga Link Project
- Jogighopa-Tista-Farakka Link Project
- Ganga-Damodar-Subernarekha Link Project
- Subernarekha-Mahanadi Link Project
- Farakka-Sunderbans Link Project
- Gandak-Ganga Link Project
- Ghaghara -Yamuna Link Project
- Sarda-Yamuna Link Project
- Yamuna-Rajasthan Link Project
- Rajasthan-Sabarmati Link Project
- Chunar- Sone Barrage Link Project
- Sone dam-Southern tributaries of Ganga Link Project
- Kosi- Ghaghara Link Project
- Kosi-Mechi Link Project
Out of the above 14 links, Feasibility Studies of Ghaghara-Yamuna (Indian Portion) and Sarda-Yamuna (Indian Portion) link project have been completed respectively by March 2003 and March 2004.
Draft Feasibility Reports of the seven following links have been completed by March, 2009.
- Yamuna-Rajasthan Link Project
- Farakka-Sunderbans Link Project
- Ganga(Farakka)-Damodar-Subernarekha Link Project
- Subernarekha-Mahanadi Link Project
- Chunar-Sone Barrage Link Project
- Rajasthan-Sabarmati Link Project
- Gandak-Ganga Link Project
Work of Survey and Investigations (S&I) of Kosi-Ghaghara link have been completed by March 2013.Feasibility report is under preparation.
- The Feasibility Report of Manas – Sankosh – Tista - Ganga Link (M-S-T-G) Link project is under finalization
- The Feasibility Report of Sone dam –STG (Southern Tributaries of Ganga) Link Project is under progress.
Remaining two links presently not targeted are 1. Kosi-Mechi and 2. Jogighopa-Teesta-Farrakka link project, as Kosi-Mechi link lies entirely in Nepal while Jogighopa-Teesta-Farrakka link is an alternate of M-S-T-G link project