NATIONALUM National Aluminium Company Ltd Contract Awards Announcement 2025 - New Contract Nalco awards the MDO contract for Pottangi Bauxite Mines to Dilip Buildcon at ₹423/ton for 25 years, including OLCC and allied facilities..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for National Aluminium Company Ltd