Renovation And Repairing Wok For Roof Treatment Work With App Membrane At Block No.- S1-6, S7-18, S19-30, S31-42, Electrical Room And Pump Room At Rhe Amratala, Hooghly Under Sub-division, Bankura Division, H.dte. Wbhousing/ee/bankdivn/ Enit02/2025-26/sl01