providing and installation of 2 x 750 kva 11/0.433 kv substation associated 11 kv overhead lines and 2 x 250 kva dg set including construction of substation dg room building for nit nagaland including water supply sanitary installation and road work .(s.h: sitc of 6 kva ups backup tripping for ht panel, cable termination kits, guard wire for overhead lt/ht).