Natural & Artificial Fiber Thermoset Composite (naftc) Sheet For Roof Panelling Of India N Railway Passenger Coaches (b.g.) (provisional) Size -3048x1524x1.5 Mm Specification Rdso /2016/ Cg -02_with Amendment 1 & 2. Warranty :- 84 Months From The Date Of Supply Or 72 Months From The Date Of Fitment Of The Sheet. [ Warranty Period: 84 Months After The Date Of Delivery ]