CVPPPL/PDHEP/C&P/NIT-193/2021/591 : Diamond Core drilling including driving, ramming of drill holes for lowering of casing of PX, HX & NX size for 01 (one) drill hole of(+/-) 60 mtr. At Kidur nallah, 01 (one) drill hole of (+/-) 30 mtr. at downstream of coffer dam location & 01 (one) drill hole of (+/-) 35 mtr at upstream coffer dam location including core preservation & water permeability test in all types of strata as per relevant IS codes for Kirthai-II HE Project, CVPPPL, Kishtwar, J&K