CVPPPL/PDHEP/C&P/NIT-175/2021/281 : Geological Exploration by excavation & drilling of 440 mtr. long 01 number drift in rectangular cross section of size 1.8 x 2.1 mtr. on left bank of river Chenab at Propsed Power House Site of Kirthai-II Hydroelectric Project, Kishtwar