01 / coe / tender / 23-24 preparation of answer book and additional sheet, for the controller of examinations department, university of calcutta. , preparation of blank answer books of six ( including blue cover page ) sheets covering, folding, stitching , cutting , octuple numbering ( ten digit / six digit ) including alphabetical series, punching and binding , blocking of old numbers, punching octuple re-numbering and binding. , preparation of blank answer books of three ( including red cover page ) sheets covering, folding, stitching , cutting , quardruplicate numbering ( ten digit / six digit ) including alphabetical series, punching and binding , blocking of old numbers, punching quardruplicate re-numbering and binding. , preparation of additional sheets, one sheet including , folding , cutting , numbering with c.u seal punching and binding with alphabetical series, , preparation of blank answer books of two ( including black cover page ) sheets covering, folding, stitching , cutting , dual numbering ( ten digit / six digit ) including alphabetical series, punching and binding , blocking of old numbers, punching dual re-numbering and binding. , preparation of blank answer books of six ( including black cover page with coading ) sheets covering, folding, stitching , cutting , punching , perforating and binding six sheets. , folding and cutting of papers from d.f.to s.f.for preparing blank answer book