weather grill for trc coaches as per drawing no 1 11012 0 23 740 006 alt a note 1 qty of item no 1 of drawing no 1 11012 0 23 740 006 alt a i e 602 265 000 001 alt c shall be 02 nos in place of 04 nos not e 2 item as per drawing no 602 265 000 001 alt c shall be supplied without item no 2 3 i e filter elements pro totype to be got approved by cde mcf before bulk supply packing instruction pi042 ver1 0 or latest warran ty period 30 months after the date of delivery