provision for tc for b and r repair and periodical services of existing ors md accommodation at lakhimpur line bldg no. dib/387/87, dib/388/87, dib/375/87, dib/377/87, dib/378/87, dib/365/87, dib/369/87, dib/368/87 and dib/366/87 of no.2 trg bn at artc and s, di.