Construction Of Cover Drain With Gully Pit From The H/O Ashoke Priyo Mishra Ab-46/A To The H/O Partha Ghosh Ab-41 At Prafulla Kanan West In Ward No.17 Under Bidhannagar Municipal Corporation Apas Scheme Id Apas/01/117/130/0001 Nit No. 1129/Pwdbmc, Dted. 04.11.2025