The correct answer is B. Ghatshila.
Bharat Aluminium Company Limited (BALCO) is an aluminium and copper manufacturing company based in India. It was founded in 1956 as a joint venture between the Government of India and the Aluminum Company of America (ALCOA). BALCO has its headquarters in Korba, Chhattisgarh.
BALCO has a plant in Ghatshila, Jharkhand. The plant was commissioned in 1967 and has an installed capacity of 1.2 million tonnes per annum of alumina. The plant is also a major producer of power and oxygen.
The other options are incorrect. Maratari is a village in the Indian state of Maharashtra. Jaduguda is a town in the Indian state of Jharkhand. Muri is a town in the Indian state of Jharkhand.