Tamil Nadu one of India's largest electrical equipment manufacturing companies, has manufacturing plants at Tiruchirapalli and Ranipet. India's leading steel producer, the state-owned Steel Authority of India has a steel plant in Salem. Sterlite Industries has a copper smelter at Tuticorin and an aluminium plant in Mettur. The Chennai Petroleum Corporation is a state-owned oil and gas corporation headquartered in Chennai, and owns refineries at Manali and Panangudi. The state government owns the Tamil Nadu Newsprint and Papers, in Karur. Jointly with the Tata Group, the state owns the world's sixth largest manufacturer of watches, under the brand name of Titan, at
Department of Revenue (Tamil Nadu) Department of Revenue (Tamil Nadu) The Department of Revenue of the State of Tamil Nadu is one of the Department of Government of Tamil Nadu The department was formerly known as the Tamil Nadu Board of Revenue, an agency created under Company Rule and maintained under the Raj. It was renamed in 1980. 1) Providing efficient delivery of services of various Government schemes to the people of Tamil Nadu. 2) Providing relief and implementing rehabilitation measures for those affected by Natural Calamities. 3) Functioning as the custodian of Government lands and ensuring proper maintenance of land records for the State.