supply of file books file cover with 1.3 cm widetape & 2 tags 50 cm or over thin 250 mm x 370 mm to giso appd. specification: 1 ) files to consist of 2 bits of grey board ( is: 2617 ( 2006 ) or latest ) of size 250 x 370 mm. 2 ) hinged together with book cloth blue ( is: 10582 ( 1983 ) or latest ) of 125 mm wide on outside with 45 mm gap between boards with printing to appear on face ( glazed side ) as per pattern. 3 ) the lengthwise edges of the board should be reinforced with strips of book cloth blue 80 mm wide to cover 200 mm length on the nonprinted boards and 80 mm length on the printed boards including the turned in portion. as per drg.no. 4 ) each board should be provided with 2 brass coated eyelets as per specn. 5 ) good quality white tags cotton ( is: 8499:1988 ( first revision ) or latest ) 600 mm long. 6 ) inside portion of the file ( both in right and left side ) a bilingual matter as per enclosed specimen should be pasted in 60gsm paper. 7 ) the cirmulation slip in the outer surface of the file should be in bilingual. [ warranty period: 30 months after the date of delivery ] amm / gsd / ed , sr tamil nadu 5824.00 numbers amm / gsd / goc , sr tamil nadu 14607.00 numbers