Exploratory drilling works of one hole of 50m depth in plunge pool area at right bank of river for subansiri upper project 1605mw, arunachal pradesh

Exploratory drilling works of one hole of 165m depth at left bank of river near dam axis to establish grouting requirement by carrying out groutability testing for subansiri upper project (1605mw)

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

Exploratory drifts work of kurung he project, arunachal pradesh

Exploratory drifts work of kurung he project, arunachal pradesh

Additional geological exploratory drilling of 05 nos. holes (ddh-48,49,50,51,52) at kamala he project, tamen, arunachal pradesh

Geological exploratory by making 01 no. new drift rdr-8 at el 460m drift size 1.8x2.1 m rectangular section 70 meter drift on right bank of river subansiri at dam site of subansiri upper project in arunachal pradesh

Geological exploratory by making 01 no. new drift ldr-5 at el 460m drift size 1.8x2.1 m rectangular section 70 meter drift on left bank of river subansiri at dam site of subansiri upper project in arunachal pradesh

Exploratory drifts work of size 1.8 m (w) x 2.1 m (h) of rectangular section at power house site of kamala he project, arunachal pradesh

Exploratory drifts work of size 1.8 m (w) x 2.1 m (h) of rectangular section at power house site of kamala he project, arunachal pradesh.