Tender For corrigendum : exploratory drilling works of one hole of 150m depth on left bank at el320 m to explore the area between el 296m and el346 m for subansiri upper project (1605 mw), arunachal pradesh
Tender For corrigendum : exploratory drilling works of one hole of 50m depth in right bank of the river at el 415m for subansiri upper he project 1605mw, arunachal pradesh