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.
State Industries Promotion Corporation of Tamil Nadu State Industries Promotion Corporation of Tamil Nadu The State Industries Promotion Corporation of Tamil Nadu Limited (SIPCOT) (), Limited is an institution owned by the Government of Tamil Nadu. The State Industries Promotion Corporation of Tamil Nadu Limited (SIPCOT) was formed in the year 1971, to promote industrial growth in the State and to advance term loans to medium and large industries The Functions of State Industries Promotion Corporation of Tamil Nadu Limited (SIPCOT) are: SIPCOT has established industrial complexes in 16 areas, according to the SIPCOT webpage. These include: A new SIPCOT is going to be established in Dharmapuri,Thiruvannamalai