About Chennai :

Chennai, formerly known as Madras.ogg Madras (help�info), is the fourth largest metropolitan area of India and the capital city of the Indian state of Tamil Nadu.Located on the Coromandel Coast of the Bay of Bengal, Chennai had a population of 4.2 million in the 2001 census within its municipal corporation. The urban agglomeration of Chennai has an estimated population over 8 million, making it one of the largest urban agglomerations in India.

The city was established in the 17th century by the British, who developed it into a major urban centre and naval base. By the 20th century, it had become an important administrative centre, as the capital of the Madras Presidency.
Chennai's economy has a broad industrial base in the automobile, technology, hardware manufacturing, and healthcare industries. The city is India's second largest exporter of software, information technology (IT) and information-technology-enabled services (ITES). A major chunk of India's automobile manufacturing industry is based in and around the city. Chennai Zone contributes 39 per cent of the State�s GDP. Chennai accounts for 60 per cent of the country�s automotive exports and is sometimes referred to as "the Detroit of India".
Chennai hosts a large cultural event, the annual Madras Music Season, which includes performances by hundreds of artists. The city has a vibrant theatre scene and is an important centre for the Bharatanatyam, a classical dance form. The Tamil film industry, known as Kollywood, a second largest film industry in India, is based in the city; the soundtracks of the movies dominate its music scene.