supply of envelop of east coast railway (window type).envelop of east coast railway (window type).,envelop of east coast railway (window type). size: 25.5 cms x 12 cms closed and windo w size: 12cms x 5 cms. 28.5 cms x 12 cms with opened flap-flap size: 2.9 cms x 12 cms flap rounded corner at both the loose end as per sample. composing: dtp type setting with 12/13 pt sanserif englis h type and 14/16 pt hindi font as per sample. the matter i.e. on india government service east coast railway etc. both hindi and english should be printed 14/16 pt in center position on the top of window leaving space of 1 cm from the top edge of the envelop. the matter i.e. from both hindi englis h i.e. in 11/16 pt should be printed at the bottom just below the window and 2.7 cms horizontally right side of the envelop. printing: offset printing on front side of the envelop in black ink ecor logo size-1. 8 cm width x 2 cm height also to be printed at 1 cm vertically down and 2.7 cm horizontally right in re spect of the top left side corner of the envelop. window: size: 12 cms x 5 cms. position: 3.5 cm vertic ally down and 2.7 cm horizontally right in respect of the top left side corner of the envelop. rounded corner with 8-10 micron transparent cellophane paper pasted from backside of the window as per sam ple. tolerance: 2mm in size as mention above may be accepted envelop size. paper: good quality 70 gsm plus/-2 gsm white maplitho paper. [ warranty period: 30 months after the date of delivery ] ]