Operation And Maintenance Of Automatic Computerised Bacteriological Treatment Plant Provided Various Station In Jurisdiction Of Sr 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)