supply and installation of one coach set of air duct arrangement fortrain18/mc/ac, train18/ndtc/ac, train18/mc/ec/ac, train18/ndtc/ec/ac, train18/mc2/ac &train18/mc3/ac coaches to drg. no. train18/mc/ac-4-4-003, alt- nil, col-1. please visit icfvendor portal for downloading drawing http://vp.icf.gov.in/vendtendordetnew.php usingkey:0721wkuvldj1595.