supply of envelopes made of brown wrapper double imperial , envelopes made of brown wrapper double imperial to size 46 x 16 cms (18 1/2 x 6 3/4) gsm 130. print on face t o pattern. cut and make shape, duly pasted except the flap. all printing in bilingual in hindi and in english. o.i.g.s.-print on left side top corner.p.l.no.83054133-print on right side top corner southern railway-print on top middle to....with 3 lines one below another in the centre. despatcher .... office ....-print on the left bottom. [ warranty period: 30 months afte r the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]