Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

Auxiliary transformer 80va pri 500 525 550, part no. fs2004c,air breaker contactor 16amps, part no fs2003a,air break contactor 63 amps, part no fs2003e,direct acting thermal overload relay, part no fs2010a,earth leakage relay complete w.o. transf, part no fs2018,pilot relay 12v dc, part no fs2026,auxiliary contactor 2no 2nc 110v 415v 550v, part no fs2020,auxillary cantactor 3 no 1nc 110v 415v , part no fs2020a,i.s. pilot oanel instrinsically safe, part no fs2035,air break contactor 40amps upto 20hp 550v, part no fs2003c,isolator 200 amp,3.3 kv on off, part no ht100,vacuum contactor 400 amps, 3.3kv, part no ht200,bottle vaccum interrupture 400a for cont, part no ht202,auxiliary contactor 3no 1nc, 110v, part no ht208,resin cast p.t. 750va, 3.3kv 110 volt, part no ht300,resin cast p.t 300va 3.3kv 110v, 3 phase, part no ht350,resin cast moulded ct for o l relay 75 , part no ht600,resin cast moulded ct for ammeter 150 5, part no ht650,earth leakage relay unit complete witho, part no ht800,3 pole magnetic o l relay

Part repairing of connection lead changing 175 hp motor 550 volt, make-kirloskar sl.no. 20001010 - 01 at ramkanali colliery, akwmc katras area

Maintenance of over head line 440 volt and 550 volt at different location at ramkanali colliery under akwmc, katras area

complete repairing of 200 amps abc switch make -mine line 550 volt sl.no.5151 at keshalpur colliery akwmc under katras area.

Repairing of safety protection and on off mechanism of 400 amps ocb switch make-gec volt 550 sl.no.314711 163 at ramkanali coliery under akwmc katras area

Complete repairing of 400 amps ocb switch make -gec volt 550 sl.no.301542 at 20 pit sub-station angarpathra colliery under akwmc katras area.

Complete repairing of 400 amps 6.6 kv vcb switch make andrewyule sl.no.955 main controlling of ramkanali colliery and salanpur colliery at ramkanali water filter under akwmc katras area

Complete repairing overhaluling of 315 kva 3.3 kva 550 volt make mine line slno 0519 at ramkanali colliery akwmc of katras area

Complete repairing of 200 amps sd-15 switch make kilburno.c.b.550v sl.no.8057 at 4 seam haulge ghar ramkanali colliery akwmc katras area