tender for train signal register opt-28 [r]. 1] size: a/3 [ 30.5 cms x 43 cms plus/minus 0.5 cms]. 2] unit:each book of 100 leaves. 3] numbering : single no. at one place in red ink. 4] printing : both side in black ink.5]text: bilingual [ hindi and english ] . 6] paper: 70 gsm white map litho paper. 7] cover paper: 90 gsm browncraft paper. 8] binding: three wire stitches side at left with cover. 9] proof: it should be approved by sr.mps/kgp or his authorized representative before final printing.