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.

Complete installation, testing and commissioning of vacuum circuit breaker 33 kv grade, 33kv control panel with ct and pt, 2 mva transformer, 33 kv/ 3.3kv, 3.3 kv indoor vcb panels at main sub-station of amadand ug mine

Maintenance and repairing of 2 nos 1 mva 11kv/3.3 kv power transformer and 1 nos 1.6 mva 11kv/3.3 kv power transformer at site along with door interlocking of ht panel at topa main substation under kuju area.

Onsite testing and checking of different protection relays installed in circuit breakers and starters, transformer tests of the 11 kv by 3.3 kv, 1.6 mva transformer including d.g.a. analysis of the transformer oil, and the 3.3 kv motors installed at

Complete repairing of 800amp 3.3kv ocb with busbar gec make sl. no 40/0560 for secondary controlling of 1 mva 11kv / 3.3 kv transformer at 07 no transformer of abdkc.

Complete rewinding and repairing of 250kva 3.3kv 550volt transformer installed at 11kv kumardihi a colliery sub station.

Supply and installation of 02 nos. of ngr 3.3 kv, 10amp , 190 ohms for 02 nos. of 3 mva transformer 11kv/3.3kv transformers at main sub-station of gidi-c colliery along with maintenance , repairing and painting of 3.3kv overhead line poles at gidi c

For installation of two nos percentage differential relay in 33kv panel of transformer 1 and 2 and dismantling, installation of 33 kv ct at 33 kv side of transformer no 1 and 2 at (33kv/11kv, 10mva) south loyabad sub-station under kusunda area

Maintenance and servicing of with commissioning of 1.5 mva 11/3.3 kv transformer make the national electrical industries ltd. sr. no.- ry/2646/5 to be installed at new chp sub-station of gkk colliery under kusunda area.

Repairing of safety circuit of the following ocb of tilaboni colliery under bankola area. 1. c and g make 3.3 kv 400 amps ocb 03 nos sl 01 02 803. 2. 3.3kv 400 amps ocb switch 01 nos sl 01 retender.