Sinking And Lowering Of Low Duty Tubewell Of 100 Mm. X 50 Mm. X 150 Mtr. Including Supply Of Pvc Pipes Strainer With Motor Pump Along With Column Pipe---- Within Ward No-40 Under Bidhannagar Municipal Corporation. Fund- 15Th Finance Tied Fund Nit No- 397/Phec/Bmc, Dated- 12/06/2025