Economy of Tamil Nadu projects under operation in the public-private partnership (PPP) model. It is currently working on upgrading its road network, though the pace of work is considered slow. Tamil Nadu has a well-developed rail network as part of Southern Railway. Headquartered at Chennai, the present Southern Railway network extends over a large area of India's Southern Peninsula, covering the states of Tamil Nadu, Kerala, Puducherry, minor portions of Karnataka and Andhra Pradesh. Tamil Nadu has a total railway track length of 6,693 km and there are 690 railway stations in the state. The system connects it with most major cities in India.
1984 Indian general election in Tamil Nadu 1984 Indian general election in Tamil Nadu The Indian general election, 1984 polls in Tamil Nadu were held for 39 seats in the state. The result was a landslide victory for Indian National Congress and its ally Anna Dravida Munnetra Kazhagam, winning 37 out of 39 seats. The other 2 seats were won by the opposition, Dravida Munnetra Kazhagam. This marks the start of the dominance of INC-ADMK, for the next decade winning 38 seats in 1989 election and all 39 seats in 1991 election. The allocation of seats were done what was later dubbed, "The MGR formula". Where the