In Mumbai, Rare Earths Plant of the Development of Atomic Energy (India) is located.

Indian Rare Earths Limited (IREL) is a government-owned corporation in India based in Mumbai. It was incorporated as a private limited company and jointly owned by the Government of India and Government of Travancore Cochin. Government of India took control of IREL in 1963 under the administrative control of Department of Atomic Energy (DAE). It was incorporated with the primary intention of taking up commercial scale processing of monazite sand at its first unit namely Rare Earths Division (RED), Aluva, Kochi for the recovery of thorium.