supply of ( i ) supply of wider window with sliding shutters in lhb scn coaches, ( ii ) supply of emergency wider window with sliding shutters in lhb scn coaches ( i ) supply of wider window with sliding shutters in lhb scn coaches, ( ii ) supply of emergency wider window with sliding shutters in lhb scn coaches, supply of emergency wider window with sliding shutters in lhb scn coac hes, as per drawing: supply of emergency wider window to drg. no. ls54125 alt. d fitment of emergency wider window with sliding shutters inside the coach must be ensured by firm before bulk supply.packing instruction : spi113 ( r ) [ warranty period: 30 months after the date of delivery ] , supply of wider window with sliding shutters in lhb scn coaches, as per dra wing: supply of wider window to drg. no. ls54124 alt d fitment of wider window with slidi ng shutters inside the coach must be ensured by firm before bulk supply. packing instruction : spi113 ( r ) [ warranty period: 30 months after the date of delivery ]