supply of four types non-ac windows for lhb coaches., emergengy wider window for lhb scn coaches ( size 1460 x 700, with sliding shutters ) , as per drawing: ls54125 alt d. packing instruction no. pi113 ver2.0 or pi193 ver 1.0 . [ warranty period: 30 months after the date of delivery ] , wider window for lhb scn coaches ( size 1460 x 700, with sliding shutters ) , a s per drawing: ls54124 alt d, packing instruction no. pi113 ver2.0 or pi193 ver 1.0. [ warranty pe riod: 30 months after the date of delivery ] , bodyside window arrgt., as per drawing: lj54101 alt b, colour of window guide & window bars is black, packing instruction no. pi113 ver2.0 or pi193 ver 1.0. [ warranty p eriod: 30 months after the date of delivery ] , emergency openable window, as per drawing: lj54125 alt b, colour of window guide & window bars is black, packing instruction no. pi113 ver2.0 or pi193 ver 1.0. [ war ranty period: 30 months after the date of delivery ]