EventsQCFI GalleryQCFI NewsQCFI HQ NewsJournals 5S Certification Ceremony_NTPC Korba held on 31st August 2016 4508 tweet 5s-Certification-Ceremony_NTPC-KORBA 1 of 19 5s-Certification-Ceremony_NTPC-KORBA 5s-Certification-Ceremony_NTPC-KORBA