Partial repairing of 11 kv grade, 400 a ocb, make crompton greaves sl. no. - ena ocp/ocb coupler/01 for ena colliery, kusunda

Repairing of 11kv 400amp ocb switch make crompton greaves si no. not available of jarangdih colliery.

Repairing overhauling of the 11kv 400amp ocb cromption make main ovb switch sl 27892g which will control the 11 kv power supply from alkusa ena colliery ocp supply at ena kusunda area

Repairing/ overhauling of the 11kv, 400 amp ocb crompton make, main bus coupler, which will control the 11kv power supply from alkusha ena colliery ocp supply at ena, kusunda area.

For repairing of 11kv,400amp,ocb switch gear sl.no.5790 make gec installation at deco camp substation nichitpur colliery.

Repairing of 11kv 400a ocb switch crompton greaves ctr controlling to 100 kva power transformer 11kv/440v installed at outsourcing camp bastacolla ocp.

Repairing of 6.6kv crompton greaves make&#x0d 400amps ocb switch sl no. 45832 controlling of&#x0d 1000 kva, 6.6kv/440v-550v transformer at&#x0d madhuban filter plant sub-station under, amp&#x0d colliery barora area

For repairing of ocb 11kv, 400amp. make-biecco lawrie sl.no.pb4/12864 at nichitpur substation under sijua area

Maintenance and partial repairing of 300kva, 11kv/550v transformer, make-crompton greaves, s.no. 10375v at khas kusunda substation of gkk colliery under kusunda area

Installation and commissioning of negative sequence relay in 11kv 400amp. ocb make crompton greaves of 4a patch substation of bhowra south colliery.