Tender For providing of repair and overhauling service - e 305 scoring marks on center da due to fair wear and tear make koel model sl90 onboard icgs amartya; e 305 scoring marks on center da due to fair wear and tear make koel model sl90 onboard icgs amartya; no; buyer pre..,repair and overhauling service - e 306 significant wear and tear observed on the crankshaft idler gear bearingr on port da make koel model sl90 onboard icgs amartya; e 306 significant wear and tear observed on the crankshaft idler gear bearingr on po..