Home to the highest number of factories in India - over 37,000 units

Tamil Nadu has a diversified manufacturing sector and features among the leaders in several industries such as automobiles, pharmaceuticals, textiles, leather products, chemicals, among others.

Tamil Nadu is situated at the South-Eastern extremity of the Indian Peninsula. The state is bounded on the north by Karnataka and Andhra Pradesh, on the west by Kerala, on the east by the Bay of Bengal and on the South by the Indian Ocean. Tamil Nadu has a well-developed infrastructure with an excellent road and rail network and seven airports. The state’s coastline of 1,076 km, is the second-largest in India and has 3 major ports and 17 non-major ports. The state is the second-highest contributor to India's renewable energy capacity - 12% and has a total installed power capacity of 30,255 MW.


Highest number of operational SEZs (37) in India


Largest producer of eggs and 2nd largest poultry population in India


Leading producer of loose flowers, tapioca, banana and coconut

Automobile and Auto-Components

Tamil Nadu accounted for 45% of the total auto exports from India in 2017-18

It is also the export hub of passenger vehicles, accounting for 70% of India's overall exports. Chennai, the capital of Tamil Nadu, is one of the largest auto hubs of India. Tamil Nadu is the largest tyre manufacturing state in India and home to over 80 auto component manufacturers. 

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Tamil Nadu is the only state in India to have 4 international airports. There are more than 120 aerospace components manufacturing companies and more than 700 suppliers to our various Defence PSUs operating in Tamil Nadu.

The state is planning Special Purpose Aviation Resource Cluster SEZs (SPARKS) to boost investments in the sector and to create 100,000 direct and indirect employment opportunities for highly skilled resources.

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Pharmaceuticals and Biotechnology

Tamil Nadu is the 5th largest producer of pharmaceutical products in India and accounts for 10% of the total pharmaceutical production of the country.

The state has existing and upcoming SEZs and dedicated bio-pharmaceutical parks that offer research labs, advanced medical equipment and genetic engineering as some of the facilities. The state government has initiated various flagship infrastructure projects in the sector such as the TICEL Biotech Park-II in Chennai, TICEL Biotech Park-III in Coimbatore and Marine Biotech Park near Mahabalipuram.

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Textile and Garments

Tamil Nadu ranks 1st in apparel production and 2nd in textile production in India. It houses India's largest spinning industry, accounting for almost 40% of the total installed capacity of the country.

The state is also the largest producer of cotton yarn in India and accounts for 41% of the country’s production. Textile and apparel sector together provide employment to 35% of the state's population. The state has about 6 upcoming textile parks and 2 upcoming apparel parks.

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Information Technology

Tamil Nadu is the 4th largest software exporter from India. IT exports from the state account for more than 10% of the country's total IT exports.

The state has the largest telecom bandwidth and highest teledensity in India of 14.8 tbps. Chennai, the capital of Tamil Nadu, has about 1,780 IT units and employs more than 400,000 professionals. Tamil Nadu had 16 operational SEZs for IT/ITeS sector as of July 2016. The state government offers various training and capital subsidies to promote investments in the sector.

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Food Processing

Tamil Nadu is a leading producer of a variety of horticulture crops such as banana, grapes, tea and poultry products.

The state has diverse soil types and 7 agro-climatic zones that provide ample opportunity to grow a variety of horticulture crops. Seafood and spices form a major part of agricultural exports from Tamil Nadu.

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Renewable Energy

Tamil Nadu has the highest renewable energy capacity in India and ranks 10th globally in installed capacity of wind power generation units.

The state has an advantageous geographical position that offers it a potential of 500 MW of biomass power and a solar incidence of 5.5 - 6 kWh/sqm/day. The state government has initiated several schemes such as Chief Minister's Solar Rooftop Capital Incentive Scheme under the Solar Energy Policy 2012 to promote usage of renewable energy in residential lighting and to set up rooftop solar panels.

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Tamil Nadu is ranked 1st in both domestic and foreign tourist arrivals in consecutively during 2014-2016. Tourism sector grew at a CAGR of 19.7% between 2011 and 2016 in terms of tourist arrivals.

Tamil Nadu is also one of the leading medical tourism and wellness tourism destinations in India. The state holds the distinction of being home to 5 UNESCO Heritage sites, highest for any state in India.

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Urbanisation Rate

Females/ 1000 Males

Female/Male Ratio

Male/Female Ratio


68% of Tamil Nadu's population is in the working age group of 15-59 years.

Tamil Nadu, the 6th most populated state, is home to about 6% of the country's total population. The state's population is 72.2 mn. The state has the third highest sex ratio amongst all states in India.

  • Open

    Tamil Nadu Electric Vehicle Policy 2019

    To make Tamil Nadu the preferred destination for the manufac…

  • Open

    TN Aerospace and Defence Policy

    To establish Tamil Nadu as a hub for Aerospace and Defence i…

  • Open

    TN Automobile & Auto Components Poli…

    To promote new auto clusters and attract mega automobile pro…

  • Open

    TN Biotechnology Policy 2014

    To facilitate new biotech companies to come to Tamil Nadu by…

  • Open

    TN Combined Development and Building Rul…

    Rules for construction and developments in the state

  • Open

    TN Ecotourism Policy 2017

    To identify, promote and develop natural areas as ecotourism…

  • Open

    TN Food Processing Policy 2018

    To establish infrastructure, R&D centres and promote inv…

  • Open

    TN Industrial Policy 2014

    To position Tamil Nadu as the most preferred State for manuf…

  • Open

    TN Information Communication Technology…

    To promote investments, employment and creation of intellect…

  • Open

    TN MSME Policy 2016-17

    To meet the challenges of MSMEs in the present industrial sc…

  • Open

    TN New Integrated Textile Policy 2019

    To attract investments, develop infrastructure and promote t…

  • Open

    TN Solar Energy Policy 2019

    To promote investments, establish a Single Window System for…

  • Open

    TN Startup and Innovation Policy 2018 -…

    To establish technology startups, strengthen mechanism and i…

Investible Projects

Investment Opportunities in Tamil Nadu

  • Projects


  • Opportunity

    $15.94 bn

  • Promoters


  • District


  • Private Projects


  • Govt. Projects



$2.79 bn

Port Project [Colachel]

State (s) Tamil Nadu

$1.07 bn

Road Upgradation Project [Nagapattinam-Thoothukudi]

State (s) Tamil Nadu

$927.93 mn

Transshipment Port Project at Enayam [Kanyakumari]

State (s) Tamil Nadu

$889.12 mn

Harbour Basin Project [Tuticorin]

State (s) Tamil Nadu

Data on Map

  • Industries in Tamil Nadu
  • Investments in Tamil Nadu
  • Business Ideas in Tamil Nadu
  • Tamil Nadu Economy

Major Investors

Updates from Tamil Nadu