Replacement Of Existing Fence With New Design Fence In The Aor Of Jaisalmer North Sector, Bsf (Raj.) (Bp No. 509/2S To Bp No. 627/M, Length 187.770 Km) On Epc Mode. (Sh :- From Bp No. 518/M To Bp No. 627/M Length 173.60 Km). (Package - I). Subwork/Packages:From Bp No. 518/M To Bp No. 627/M, Length 173.60 Km) (Package - I)