procurement of different spares for hplp bypass system under tm2 dept. at stg-2, sgtpp , procurement of different spares for hplp bypass system under tm2 dept. at stg-2, sgtpp , jet cage,hpbp steam valve,ars 140 for hp bypass valve ars140 p/n-9, drg.no-con-hp 0210, moc-sa 182 f22 ci.3 ( item should be applicable and interchangable for sagardighi tpp 500mw set. ) , valve stem for hpbp spray valve-e45s item no-2, drg. no-con:hp:0036 for sgtpp 500mw, moc-x19crmonbvn11-1 ( item should be applicable and interchangable for sagardighi tpp 500mw set. ) , valve seat for hpbp spray valve-e45s item no-3, drg. no-con:hp:0036 for sgtpp 500mw, moc-g-co65cr27w6 ( item should be applicable and interchangable for sagardighi tpp 500mw set. ) => limited