REPAIRS / MAINTENANCE OF STP AND OTHER CONNECTED MISC WORK AT INS SATVAHANA, INS VIRBAHU, NAVAL PARK, NAUSENA BAGH WITH CERTAIN WATER SUPPLY WORKS UNDER GE (UTILITY-II) VISAKHAPATNAM REPAIRS / MAINTENANCE OF STP AND OTHER CONNECTED MISC WORK AT INS SATVAHANA, INS VIRBAHU, NAVAL PARK, NAUSENA BAGH WITH CERTAIN WATER SUPPLY WORKS UNDER GE (UTILITY-II) VISAKHAPATNAM