Flameproof transwitch unit (flp tsu) 315kva, 3.3kv/550v (or 525v),flameproof switch board panel comprising of seven flameproof 3.3kv, 400a vcb,flameproof switch board panel comprising of four flameproof 3.3kv, 400a vcb,flameproof vacuum circuit breaker 3.3kv, 400a,flameproof air circuit breaker 400a, 550v,flameproof air circuit breaker 200a, 550v,flameproof air circuit breaker 100a, 550v

Repairing of 40hp haulage motor 02 nos and 3.3kv 100amp acb of jambad colliery

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Repairing n rewinding of 315kva, 3.3kv/550v tsu of amritnagar colliery.

Complete repairing/rewinding 315kva, 3.3kv/550v tsu at 19r u/g substation of kunustoria colliery

Repairing of 3.3kv vcb and 550v controlling switches of make mine line of tsu of 315kva, 3.3kv/550v of kharkharee colliery under govindpur area

For repairing of ht/lt controlling of tsu 3.3kv/550v,315kva,sl.no.021 mine line for tetulmari colliery under sijua area

Repairing of 315kva, 3.3kv/550v, electrotechnica switchgears pvt. ltd. make tsu, si. no. tsu1177 at haslop pit, docp under c.v. area-xii

Complete rewinding repairing of 315kva, 3.3kv 550v 440v transwitch unit (tsu) of shyamsundarpur colliery under bankola area.

Complete rewinding of 315kva,3.3kv/550v prabhu make tsu of underground of ningha colliery under satgram-sripur area.