preparation of answer book and additional sheet , 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