tender for supplying and laying of 292567 km of clear water distribution network with di (k-7) pipe, pvc-o pipe & hdpe pipe with all other associated works, 4 no jack pushing works at zone-ii & iv by hdd method (trenchless technology) with temporary road restoration work for bituminous & concrete road and other related works of utility shifting & other infrastructural works etc; permanent road restoration works and pwd road restoration works for proposed zone- i, ii & iv including o & m of 01 years with complete defect liability period up to 01 years complete in all respect for proposed water supply scheme for ward no. 1 to 21 within bidhannagar municipal corporation under amrut 2.0 program (phase ii).