L&T Civil Infrastructure has secured a contract from urban centre subway for descend and construction of Underground subway Project of section one of Patna. The scope of labour includes style and construction of Twin tunnel by of roughly 6km, associate degree underground ramp at Rajendra Nagar and 6 underground subway stations in conjunction with alternative structures on new ISBT to Patna Station of phase-1 of Patna MRTS. The project passes through the centre of Patna town and is claimed to be completed in forty-two months. The project is funded by Patna subway Rail Corporation and would be operated by them once completed.