supply of t/d.912 red authority , t/d.912 red authority in proceed on automatic block system during prolonged failure o f signals a4 o/s bks printing in bi-lingual (hindi and english as per specimen/matter. proof should be g ot approved before printing. printing in black ink on 60 gsm maplitho white paper conforming to is no 1848/2007 as amended up to december-2016.the paper manufactured out of pulp containing not less than 60 percent by weight of pulp made from materials other than bamboo,hardwoods, softwoods and reed.100 leaves,side stitch with printed cover page of 130 gsm as per is 1848/2007 as ammended up to date. 83030438 [ warranty period: 30 months after the date of delivery ] ]