laying and linking of bg/ng for main & loop lines including points & crossing at variousyards, transportation of p.way materials, spreading of ballast, tamping of track, dismatlingof existing bg/ng track & points & 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 .