upgradation of existing cdr67-dl to led based projection module of omkareshwar power station upgradation of existing cdr67-dl ( 67 inch diagonal display wall projection module based on dual lamp illumination ) to led based projection module of omkareshwar power station , supply: upgradation of cdr67-dl ( 67 diagonal display wall projection module based on dual lamp illumination ) to led based projection module , led vedio wall upgradation kitscreen size ( 67 diagonal ) [2x2] screentype as per product specifications upgrade cdr -->ovl-6713 as per details at annexure-b , 2x2 barco display wall controller , lvc-400 controller for ( 67 diagonal ) [2x2] screen , complete in all respect with required hardware , software and accesoories as per details in annexure - c , for complete functioning of upgraded to led based large scrren display ( item at sr . no . 1 . 01 ) , installation and commissioning , complete installation and commmissoing of supplied items as per scope of work ( annexure-a ) , buy back , buy back charges of old 4 set of illumination unit , projection unit and fan unit , net amount =item ( 1 . 01 ) +item ( 2 . 01 ) +item ( 3 . 01 ) -item ( 4 . 01 )