Tender For corrigendum : supply of supply of material required for process upgradation in both units like cylinders, instrumentation of directional valves and associated component as per attached specification , testings on item no-1 , installation and commissioning of the material supplied in item no-1 , supply of material required for up gradation candi of fire protection system , test requirement like emioremc,climatic test,ivandv etc. on item no-4 , installation and commissioning of the material supplied in item no-4