HINDPETRO Hindustan Petroleum Corporation Ltd Expansion Plans Announcement 2026 - Project cost revision HRRL project cost revised to ₹79,459 crore with HPCL to invest ₹19,600 crore to maintain a 74% stake; commissioning is in advanced stages..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Hindustan Petroleum Corporation Ltd