EOI FOR EMPANELMENT OF AGENCY FOR PROVIDING SKILLED MAN POWER SERVICES AND WHEN AND WHERE REQUIRED WITH ALL EQUIPMENTS & MACHINERIES (OUTSOURCING) FOR OPERATION AND MAINTENANCE OF URBAN WATER SUPPLY SCHEME UNDER ?PEYJAL NISCHAY YOJANA? UNDER NAGAR PARISHAD GOPALGANJ IN THE DISTRICT OF GOPALGANJ. — Bihar Tender | BiharInfraTales