printing and supply of different types of pre-printed computer stationery items under category-a of wbsedcl-2 printing & supply of pre-printed domestic / commercial energy bill forms under sap on 80 gsm tnpl / century white wove paper with bi-colour ( blue & brown ) both side printing, side punching bearing size: 10 x 12 as per specimen and direction of the authority of it & c cell, wbsedcl 3 one colour ( green ) printing and supply of pre-printed ‘defaulter notice form under sap for bulk consumers of wbsedcl on 80 gsm tnpl / century white paper bearing a4 size as per specimen and direction of the ce ( e ) central commercial 4 one colour ( megenda ) printing and supply of pre-printed ‘defaulter notice forms’ under sap for domestic / commercial consumers on 80 gsm tnpl / century paper bearing size 10” x 12” with side punching as per specimen and direction. 5 both side printing & supply of pre-printed bulk energy bill forms under sap on 80 gsm tnpl / century white wove paper with bi-colour ( royal blue ) both printing of pre-printed bill forms bearing size 21.59 x 35.56 cms ( legal ) as per specimen and direction 6 both side printing and supply of pre-printed industrial / agricultural energy bill forms under sap on 80 gsm tnpl / century white wove paper with one colour ( green ) both printing of pre-printed bill forms side punching bearing size 10 “x 12” as per specimen and direction of the authority of it & c cell, wbsedcl bidyut bhavan 7 both side printing and supply of pre-printed on line money receipt under sap ( dcl-9b ) 80 gsm tnpl / century white wove paper with bi-colour both side punching bearing size 12” x 6” containing 3 receipts in each sheet with serial number as per specimen and direction of the authority of it & c cell, wbsedcl