annual maintenance for 3 years of integrated power supply system (m/samra raja ltd.) at 26 stations/cabins at tit, bdh, pcq, gkh, jrae, msae, grae,bsae, prae, hpl, soae, skg ec, skg wc, nht, kmae, bmae, ccl ep, grp, jit,brpa, deh, pkr relay hut,bdc rri, bhy-hut-2, kog, adst of hwh division.bidding type normal tender .
