Tenders for Repairing Of Tripping Mechanism, Pilot Tripping, Over current Tripping, Overvoltage, Undervoltage Tripping And Making Circuit Of 2 Nos 3.3 Kv400amp Field Switch Make Electrotechnica Switch Gear Of Ck300 Sl No.167 And Ekg 550 Shovel Under Purnadih Ocp
