NTPC NTPC Ltd Company Mergers Announcement 2025 - NTPC Acquires Ayana NTPC Green Energy's joint venture ONGC NTPC Green has signed an agreement to acquire 100% of Ayana Renewable Power, a 4.1 GW renewable energy company valued at approximately Rs.195 billion..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for NTPC Ltd