Repairing of 02 nos star delta er a repairing of 550v 300 amps si. no ktc-enm/sds-kr-04 star delta er as stand by arrangement for controlling different three pump motors each capacity of 160hp 170hp 185hp and b repairing of 550v, 300amps

Repairing of gec make 1200/1000 amps, 550v oil circuit breaker, si. no. 50/0048 at kalyanchak of dahibari ocp.

Repairing of auto transformer er pullen make 80hp, 3 phase 550v at filter plant of rampur sub area, orient area.

Complete repairing of gec make, 400 amps, 550v, si. no. 30/2118, ocb switch at railway siding laikdih of dahibari colliery.

Complete repairing of 150hp, 550v nflp type amba speed engineers make ats panel sl. no. as/282/2009-10 of submersible pump-motor at dharmaband 2-pit under govindpur

A)partial repairing and safety protection providing of 400 amps 11 kv biecco lowrie make ocb sl.no.116-1956 (b) complete repairing/overhauling of 400 amps 550v ocb switch sl. no. bccl/jl/sw/ocb /550v/10( c ) partial repairing of 250 hp 550v auto star

Repairing of 200 h.p. make poland auto er of &#x0d submersible pump er 550v colliery sl.no. &#x0d phu/starter/16a at madhuban filter plant for &#x0d drinking water supply for madhuban basti under &#x0d amp colliery barora area.

For the repairing of an auto transformer er 180hp,550v,essential for the running of submersible pump,installed at industry colliery shaft for ena colliery,kusunda area.

Complete repairing and overhauling of 1 no. auto transformer starter of amba seed make 550 v 130a 170 hp type ats-3 phase 50 hz at east bararee at jeenagora colliery under lodna area.( sl.no.-jn-49 and local id. jg/st/auto/550v/49)

Repairing of complete wiring, self-er, alternator, pressure horn,wind shield and sel tank of tata make hyva si. no.jh10ad-9871 at auto workshop, laikdih, cv area.