A)replacement of unserviceable devices and oil filtration of 1mva transformer, 6.6k v/440v, 1375amp, make - russian, si no. 845461 at hms section, ss-2, dc-9 (sec-i) and fine coal section, ss-4, dc-13 (sec-ii si no. 845459 and (b)providing and laying

A)replacement and reconditioning of 6.6k v v.c panel, 400amp, make-a/y and co. ltd for controlling of primary crusher motor (320k w) 01 no. and (b)repairing/reconditioning of ocb switch, 400amp, 6.6kv, make-russian installed at 6.6k v control sub-sta

Repairing / rewinding of 300 kva, 11 kv/440v power transformer oil cooled type, make abhay transformer and switch gear, sl. no. 1866 of intake well at bhojudih coal washery.

Complete overhauling and maintenance of 250 kva transformer 11kv/440v lighting transformer oil cooled type make eaei sl. no isi 1180 at patherdih lalpul under patherdih coal washery

Complete overhauling and maintenance of 250 kva transformer 11kv/440v lighting transformer oil cooled type make eaei sl. no pcw-1 at patherdih colony under patherdih coal washery

Cutting of ms pipe 400 mm dia from fine coal section and shifting, laying the same from246 screen underflow tray hms to cyclone body under flow chamber clean coal screen side at 9 mtr level in sec-i of hydro cyclone at kathara washery

Specification for replacement of 1 no 245 kv y phase hv bushing and hot oil circulation work in the existing 230/110 kv-100 mva auto tr-v -bhel make-at tiruchuli 230/110 kv ss

Replacement of unserviceable devices and filtration of 1 mva transformer, 6.6 kv/440v, 1375 amp, make-russian, sl. no. 845457 at dc no. 3 ss-01 (secondary section) and hms section-ii sl. no. 845460 of kathara washery

Replacement/repairing after dismantling of damaged ms pipe line bend, reducer, joint, tee and valves etc. at unit no. 652 pump section and floatation level in sec-i of fine coal section at kathara washery

Replacement of damaged gasket and oil filtration of 1mva, 11kv 3.3kv,marsons make power transformer in c pit substation of nakrakonda kumardihi b colliery under bankola area