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

Exploratory drilling works (40 nos. holes 4 m each) at right bank drift and left bank drift of dibang multipurpose project, arunachal pradesh

Exploratory drifting work of ldr-1 extension of 82 m (52plus15plus15) m length (1.8m x 2.1m) size at left bank of kamala river at kamala he project, tamen, arunachal pradesh

Exploratory drifting work of rdr-2 extension of 55m (40plus15)m length (1.8 m x 2.1m) size at right bank of kamala river at kamala he project, tamen, arunachal pradesh

Exploratory drifting work of ldr-3 extension-2 (downstream surge cavern)361 m length (1.8 m x 2.1m) size at left bank of kamala river at kamala he project, tamen,arunachal pradesh

Exploratory drifting work of ldr-1 extension of 82 m (52plus 15plus 15) m length (1.8 m x 2.1m) size at left bank of kamala river at kamala he project, tamen, 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.

Exploratory core drilling, driving and reaming of drill holes with lowering of casing of suitable sizes e.g. px/ hx/ nx size with water percolation test and cement grouting at dam axis left bank of sawalkote he project, tanger, distt. ramban (j k)

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