laying and linking of bg/ng for main and loop lines including points and crossing at variousyards, transportation of p.way materials, spreading of ballast, tamping of track, dismatlingof existing bg/ng track and points and crossing in yard and other incidental miscellaneousworks between miyagam (including yard) and dabhoi (including yard) in connection withgauge conversion of existing ng track to bg track between miyagam-dabhoi-samlayasection.bidding type normal tender .