Tender for Operation And Maintenance Of Automatic Computerised Bacteriological Treatment Plant Provided Various Station In Jurisdiction Of Special Repair Den/ii/ Bsb ( Bui,gct ,arj , Sip, Cpr, Ci ,the, Toi, Pou, Mhc & Gopg ) Including Supply Of Required Chemical, Spares & Operator For Treatment Of Water For The Period Of Five Years As Per Bis Parametre.( 22 Nos) in Varanasi - Uttar Pradesh

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