Complete repairing and rewinding of 01 no. 570kw, 3.3kv, ph make crompton greaves induction motor (stator) sl. no. tvc491106/1 of jarangdih colliery under kathara area.

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

Repairing of safety circuit of the following ocb of tilaboni colliery under bankola area. 1. c and g make 3.3 kv 400 amps ocb 03 nos sl 01 02 803. 2. 3.3kv 400 amps ocb switch 01 nos sl 01 retender.

Cable termination of 11 kv indoor type and 11kv ocb, 3.3kv ocb, 550volt ocb and painting work at tilaboni unit main sub station of tilaboni colliery under bankola area.

1) upgradation of 400 amps, 3.3kv grade becolarly make, oil circuit breaker (ocb). &#x0d 2) upgradation of 400 amps, 3.3kv grade ece make switch of barmondia colliery under salanpur area.

Maintenance and repairing of 01 nos 1mva 11 kv/3.3kv power transformer and 11 kv , 400 amp gec ocb sl.- sar/ocb/01 and 3.3kv , 400a belgium make ocb sl. no.-sar/ocb/02 at 10 no main substation sarubera project under kuju area.

Complete repairing rewinding of 400 amps 550v reyroll england make ocb switch of bankola colliery.

Reparing and overhauling of &#x0d 3.3kv,400a cg make ocb of bankola &#x0d colliery under bankola area

Complete repairing of 400 amps reyrolle burn make 3.3 kv ocb switch of khandra colliery under bankola area.

Repairing of 400 amps ece make ocb for 1 mva primery controlling at main substation of bankola colliery