supply of printing of railway instruction books , printing of rly. parivahan saranksha niyam 237 pages with cover page & binding inner page b lack & white cover page colored make: as per sample, sample should be approved from consignee before th e supply. [ warranty period: 30 months after the date of delivery ] ] , rly. operating instruction and trouble shooting directory 146 pages with cover page & binding inner page black & white cover page colored make: as per sample, sample should be approved fro m consignee before the supply. [ warranty period: 30 months after the date of delivery ] ] , rly. operating instruction and trouble shooting 147 pages with cover page & binding i nner page black & white cover page colored make: as per sample, sample should be approved from consign ee before the supply. [ warranty period: 30 months after the date of delivery ] ] , rly. vidhyut engine ka parichalan 215 pages with cover page & binding inner page black & w hite cover page coloured make: as per sample, sample should be approved from consignee before the suppl y. [ warranty period: 30 months after the date of delivery ] ]