All Civil Engineering works ( Earthwork, Blanketing, Retaining Walls, Side Drains, Major Bridges, Minor Bridges, Extension of RUBs, Extension of LC gates, Station Buildings, S & T buildings at LC gates, gate lodge buildings, SP/ SSP buildings, Circulating area of New Station Buildings, Passenger Platforms, etc. ), Supply of Machine Crushed Stone Ballast, track linking works etc. between Piprauli ( excluding ) km- 107. 400 to Basgaon ( including ) km- 77. 310 ( Total km- 30. 09 km ) in connection with Shajanwa Dohrighat New line Railway Project ( 81. 17 km ) of North Eastern Railway.