CVPPPL/PDHEP/C&P/NIT-226/2022/488 : Diamond core drilling including driving, reaming of drill holes for casing of NX size for holes of total depth of +- 168m including core preservation & water permeability test as per relevant IS codes in all types of strata inside Power House and Dam Drift (size 1.8 m x 2.1 m) of Kirthai II HE Project J&K