Tender for Operation And Maintenance Of 9.8 Mld Wtp, 0.512ml Cwr And 500 Kva Substation At Cooch Behar Municipal Area For The Period Of 36 Months Including Supply Of All Materials To Be Used Daily Like Cl, Alum, Etc. And Guarding Of Wtp Campus Round The Clock. in Cooch Behar - West Bengal

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