corrigendum tender for vlv gate 0.5in 800 ibr sw open sh 51002 , vlv globe,sw,800 ,cs,ibr,0.5 in,52002 , vlv globe,sw,800 ,cs,ibr,20mm,52002 , valve,gate,1in, 800 sheet no 51002 , vlv globe,sw,800 ,cs,ibr,25mm,52002 , valve gate 800 cs ibr 1 1 2in 51002 , vlv globe,sw,800 ,cs,ibr,1.5in,52002 , vlv.gate, sheet 51066,0.75 inch , vlv,gate,0.5in,sh 51066 , vlv gate,sheet 51321,20inch , vlv.gate, sheet 51036,0.5 inch , vlv chk flg,swing,18in,sheet 53321 , vlv gate 0.5in 1500 ibr bw sheet 51102 , vlv globe 0.5in 1500 ibr bw sheet 52102 , vlv gate sw 20mm 800 class cs ibr , vlv gate 0.75in 1500 ibr bw sheet 51102 , vlv globe 0.75in 1500 ibr bw sheet52102 , vlv globe 0.75in 800 ibr f11 sheet52031 , vlv gate 20mm 1500 ibr bw f11 sh 51131 , vlv globe 20mm 1500 ibr bw f11 52131 , vlv gate 1in 1500 ibr bw sheet 51102 , vlv globe cs 1in 1500 ibr bw sheet52102 , vlv,gate,25mm,800 ,sw,a182 f11,13cr , vlv globe 1in 800 ibr f11 sheet 52031 , vlv gate 1.5in 1500 ibr bw sheet 51102 , vlv globe 1.5in 1500 ibr bw sheet 52102 , vlv globe sw cs 1500 ibr 0.5in 80s , vlv globe sw cs 1500 ibr 1in 40s , vlv globe sw cs 1500 ibr 1in 160s , vlv globe sw cs 1500 ibr 1.5in 80s , vlv globe sw cs 1500 ibr 1.5in 160s , vlv globe sw cs 1500 ibr 2in 40s , vlv globe sw cs 1500 ibr 2in 160s , vlv globe sw a182f22 1500 ibr 2in 160s , vlv globe sw a182f22 1500 ibr 1in , vlv.gate, sheet 51001,1.0 inch , vlv.check, sheet 53001,1.0 inch , vlv.gate, sheet 51001,0.75 inch, procurement of valves for cpp utility bdt dcu sru at bpcl bina refinery, as per specification