Supply And Laying Of New 100 Mm Dia D.I. Main For Development Of Filtered Water I From 68A H.M. Road To 15B Gobinda Bose Lane Ii 13/H To 51 D.N. Ghosh Road Iii 55/3/1A Turf Road To 11/5/3A Kundu Lane In Ward No 71. Kmc/Ws/West/W71/T-10/2025-26