supply of printed materials under secretary district health and family welfare samiti and chief medical officer of health, north 24 parganas , voucher , x-ray voucher or its equivalent paper size 5.5” x 4.5”, single colour single side , 65 gsm colour maplitho ( green ) binding – side stitch, leaf per book – 50 + 50 ( original + carbon copy ) i.e. 100 leaf per book numbering – 6 digit machine serial numbering , non-specific voucher 1 – 8.75”x 5.5” _70 gsm_single colour single side print_100 leaf per pad , non-specific voucher 2 – 8.75”x 5.5” _65 gsm_single colour single side print_50x2 leaf per book with perforation , transport voucher, paper size 9” x 5.5”, print area 8.5” x4.75”, single colour single side , 65 gsm colour maplitho ( green ) binding – side stitch, leaf per book – 50 + 50 ( original + carbon copy ) i.e.100 leaf per book numbering – 6 digit machine serial numbering nameof the district to be printed on the nischay yan voucher or its equivalent.