NATIONALUM National Aluminium Company Ltd Investments/Divestments Announcement 2024 - Bauxite Mining Lease Deed NALCO executed a Mining Lease deed with the State Government of Odisha for Bauxite Mines in Pottangi Tehsil, Koraput District. It has annual production capacity of 3.5 million tonnes and reserves estimated at 111 million tonnes..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for National Aluminium Company Ltd