Supply, installation, testing andcommissioning of ngr 3.3 kv protection system in 33kv/3.3kv power transformers and 3.3kv dg set at 33kv s/s and ngr 440v protection system in 3.3kv/550v/440v power transformers at ncph, ra and vw ug mines of chrm ar

Repairing, rewinding and installation of k-sambhav make, 11kv-3.3kv, 2mva transformer installed at chp substation at shyamsundarpur colliery under bankola area.

Repairing and maintenance of 01 set pt 33kv/110volt at main substation 33kv/11kv/3.3kv of peocp under hazaribagh area.

A installation and commissioning of 3.3 kv ngr in two nos merson s make 01 mva transformer installed at kalimati and shivmandir substation bearing sl no 11221 and 28672 respectively of chapapur colliery b installation and commissioning of 02

Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area.

For dismantling of ocp substation shed of size 50 ft x 50 and dismantling shifting, loading unloading of 1.5mva,6.6kv/3.3kv, transformer of badeopur colliery under sijua area

Complete repairing and re-winding of (a) 02-nos. 500 kva, 3.3kv/440v (b) 01-no. 250kva, 3.3kv/440v and (c) 01-no. 160 kva, 11 kv/440 distribution transformers installed at different locations of kathara colliery under kathara area.

Repairingrewinding and repairing of one no. 1.25mva 33kv 3.3kv power transformer make andrew yulesl no 12023 installed at rajhara ocp under rajhara area along with providing certificate from nabl regarding high pressure test with dga test

Repairing rewinding and repairing of one no. 1.25mva 33kv/3.3kv power transformer make andrew yule sl no 12024 installed at rajhara ocp under rajhara area along with providing certificate from nabl regarding high pressure test with dga test of oil

Lnstallation of ngr in 1mva, 11kv/3.3kv power transformer installed at belbaid colliery under kunustoria area