supply of pre-printed pre-perforated journey cum reservation paper tickets with railway advertisement in roll of 200 tickets each for computerized passenger reservation system ( prs ) on indian railway logo water mark, white security bond paper 115 gsm with plus or minus 5 percent tolerance in gsm conforming to is: 1848: 2018 ( part-1 ) , type of paper at serial no. ( iii ) ( bond ) of table 1 requirements for writing and printing papers with specific requirements ( para 4.8.2 ) of is:1848 / 2018 ( part 1 ) as the paper manufactured out of pulp containing not less than 60 percent weight of pulp made from materials other than bamboo, hardwood, softwoods and reed. size of the tickets 180mm x 100 mm with sprocket holes on both sides and with perforation between the tickets. one unit is equal to 1000 tickets. detailed specification is enclosed in annexure prs 1 to 5. ( firm to quote the rate only for tickets ) [ warranty period: 30 months after the date of delivery ]