The correct answer is: Iron Industry.
Ghatshila is an industrial area in the East Singhbhum district of Jharkhand, India. It is famous for its iron ore mines and steel plants. The Ghatshila Iron Ore Company Limited (GIOCL) is the largest iron ore producer in India. The steel plants in Ghatshila are owned by Tata Steel and SAIL.
Aluminium Industry: Aluminium is a metal that is used in a variety of products, including cans, foil, and building materials. The aluminium industry is not as developed in Ghatshila as the iron and steel industry.
Copper Industry: Copper is a metal that is used in a variety of products, including electrical wiring, plumbing, and coins. The copper industry is not as developed in Ghatshila as the iron and steel industry.
Cement Industry: Cement is a building material that is used to make concrete. The cement industry is not as developed in Ghatshila as the iron and steel industry.