supply of form no. op / t-28 / opt16 rb. train signal register.book for single line and double line. books of 100 leaves. ( 1 ) unit- number of books, ( 2 ) size- 305 x 430mm plus / minus 5mm, ( 3 ) printing paper- white map litho 60 gsm, i.s no. 1848 / part ( 1 ) 2018 or latest amendment. ( 4 ) printing- both side in black ink, printing matter to be collected from consignee, ( 5 ) binding- left side two stitching by 20 gauge wire with brown kraft paper cover of 110 gsm of i.s no 1397 / 90 grade-ii ( mg ) . ( 6 ) sample:- one sample for printing, binding and finishing to be got approved from consignee before bulk printing, ( 7 ) packing: each pack will contain five plus five total ten books. each five books must be wrapped in more than 50 micron transparent poly propylene foil or bag as suitable as approved by govt. and packed in suitable size of five ply corrugated cartoon box with proper label ( printing size 48pt. ) of p.l.no., form no. & serial no. if any. special condition:- quantity is in number of books and material to be supplied in a book. [ warranty period: 30 months after the date of delivery ]