Maintenance/overhauling of 03 nos of 11kv/3.3kv transformers at ningha colliery, satgram-sripur area

Repairing and rewinding of 2-mva, 11kv/3.3kv, eef ranchi make power transformer s.no. 4010858 of sodepur r colliery under sodepur area.

Complete repairing/rewinindg of 250-kva, 3.3kv/550v, kirloskar electric make tsu of dhemomain pit colliery under sodepur area.(s.no-70dfb-001/5)

Complete repairing/rewinindg of 500-kva, 3.3kv/440v marson calcutta make lighting transformer of sodepur r colliery under sodepur area.

Minor repairing of 1 mva, 11kv/3.3kv, sl. no.- 8563, make- marsons calcutta installed at old sub-station under jarangdih colliery

Minor repairing of 1 mva, 11kv/3.3kv, sl. no.- 8563, make- marsons calcutta installed at old sub-station under jarangdih colliery

Supply and installation of ngrs ( 3 nos. 550v, and 1 nos. 3.3kv total 4 nos.) at bejdih colliery under sodepur area

Re-organisation of overhead domestic/lighting line of bejdih colliery under sodepur area

1.eimco elecon and simplex make sdl with s.no 611/1138 and 13 respectively from panel s1 to panel s2 contractually of bejdih colliery under sodepur area colliery.&#x0d 2. lifting of hdpe pipe from dubeshwari colliery underground to bejdih colliery under

Supply, installation and commissioning of neutral grounding resistance in 01-mva, 11kv/3.kv and 250-kva, 3.3kv/550v power transformer of mithani colliery under sodepur area