Installation Of Transformers Beside Overloaded Transformers, System Upgradation, Replacement Of Damaged Poles, Changing Or Reinstallation Of Pin Insulators, Racks, Shackle Insulators Along With Associated Maintenance & Repairing Works In Various Areas Of 11 Kv Jawabazar & 11 Kv Chechan Feeders Of 33/11Kv Rauli Sub-Station Under The Office Of Sales And Distribution Division, Bpdb, Chatak, Sunamgaj.