Correct Option: E

Heavy Water Board (HWB), a constituent unit under the Department of Atomic Energy in the Government of India, manufactures heavy water (Deuterium Oxide–D2O) at seven heavy water plants that are located in Baroda, Hazira, Kota, Manuguru, Talcher, Thal, and Tuticorin. Heavy water is used as a ‘moderator’ and ‘Coolant’ in the nuclear power as well as research reactors (Source: Heavy Water Board, Department of Atomic Energy, Government of India).