A) installation and commissioning of 3.3 kv ngr in two nos merson s make 01 mva trans-former installed at kalimati and shivmandir substation bearing sl no 11221 and 28672 re-spectively of chapapur colliery&#x0d b) installation and commissioning of 02 nos

Design, supply and commissioning of nifps based firefighting system for 5 mva, 6.6 kv/3.3 kv power trans-former at main sub-station under khottadih ocp.

Supply and fixing of ngr 3.3kv 10 amp, 190 ohms for 3 nos., 1 mva, 11kv/3.3kv (2 nos.) and 1.6 mva, 11kv/3.3 kv (01 no.) power transformer installed at main and banwar substation at topa project under kuju area.

Repairing/reconditioning of (01) nos 3.3 kv, 400 amp, prabhu make vcb, sl. no.-678/2015 at pumping station and (2) 3.3 kv, 450 amp prabhu make vcb sl. no.- 24/2004 at pundi substation of pundi colliery under kuju area.

Repairing/reconditioning of (01) nos 3.3 kv, 400 amp, prabhu make vcb, sl. no.-678/2015 at pumping station and (2) 3.3 kv, 450 amp prabhu make vcb sl. no.- 24/2004 at pundi substation of pundi colliery under kuju area

Repairing/reconditioning of (01) nos 3.3 kv, 400 amp, prabhu make vcb, sl. no.-678/2015 at pumping station and (2) 3.3 kv, 450 amp prabhu make vcb sl. no.- 24/2004 at pundi substation of pundi colliery uner kuju area.

Complete repairing rewinding of 01 nos. 3 mva 11kv, 3.3 kv gec, make transformer of regional sub station under kathara colliery.

Installation and commissioning fitting of safety devices in transformer 1 mva 3.3 kv/550v gujarat make and incomer breaker 2 nos interlocking sub-station at site bhagabandh colliery.

Designing, construction, installation and commissioning of ngr compatible with 1.25mva, 33kv/3.3kv transformer installed at main substation at rajhara colliery

Onsite electrical repair and overhauling of two (02) nos. 3.3kv switchgears type ocbs, one (01) no. 3.3 kv er and two (02) nos. 440v air circuit breaker currently installed at gandhinagar substation under bokaro colliery, bnk area