Tenders for Provision For Construction Of New Roof Cover On The Rcc U-Trough Of 40 Mtr Length On Each Side Of Existing Lhs No- 37E Barasat-Bongaon Section Under Assistant Engineer/ Barasat And Lhs No - 81E, 71E, 80E In Ranaghat-Gede Section Under Assistant Engineer / Ranaghat