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
History of Tamil Nadu the wave of public support stemming from the independence struggle, formed the first post-independence government in Tamil Nadu and continued to govern until 1967. In 1965 and 1968, DMK led widespread anti-Hindi agitations in the state against the plans of the Union Government to introduce Hindi in the state schools. Affirmative action in employment and educational institutions were pioneered in Tamil Nadu based on the demands of the Dravidian movement. The leadership of the Dravidian movement had very capable authors and literati in Annadurai and Karunanidhi, who assiduously utilised the popular media of stage plays and movies to spread its