Supply &Amp Application Of New Cast Vinyl Graphic Film Patch Work In Toilets (Including Ceiling) Only In Approx. 50 Nos. Coaches Of Rakes Of Train No. 12555/12556 (Gorakhdham Express) (Total Area Of 50 Coaches Is Approx. 25500 Sq. Ft.) At Gkp Coaching Depot As Per The Rdso Specification No. Rdso/2010/Cg/08 Dated Oct 2010 Including Removal Of Damage/Frayed Cast Vinyl Graphic Film With Surface Preparation In A Period Of 03 Months.