Comprehensive Annual Maintenance Contract Of 33 & 11 Kv Equipments At 33Kv Substation With One No. 3.15 Mva , 33/11Kv And Two No.S 1000 Kva, 11/0.433Kva Transformers, 33& 11 Kv Vcbs, Acbs, Main Lt Panels Cum Amf Panels, Rising Mains, & Mccbs, Ht/Lt Cables All Other Electrical Installations Etc. All Inclusive At Igims, Patna (EXPIRED)