Tamil Nadu in India ranks as the fourth-largest state. It is on the southern Indian coast, surrounded on the north by Andhra Pradesh, on the south is the Indian Ocean, on the west is Kerala and Karnataka, and on the east is the Bay of Bengal.

Tamil Nadu, the state has a diversified manufacturing sector. This state's GSDP in 2022-2023 is estimated at Rs.24.85 trillion and the increase of the GSDP of this state is at an 11.27% CAGR between 2015-16 to 2022-23.  There are leading industries such as pharmaceuticals, auto components, automobiles, leather products, textile products, garments, engineering, plastics, chemicals, etc. It ranks first concerning the factories and industrial workers. 

Agriculture is the life mainstay and the farmers conserve skilfully the rainwater that is scarce in irrigation tanks or reservoirs. There is the support of tube wells, government canals, and ordinary wells adding to the irrigation system. River valley projects are relying on rainwater coming with the northeast monsoon, besides, the government is also checking the water sources in the subsoil. 

Agricultural practices in Tamil Nadu present radical improvement in the mid-20th century. You can see multiple cropping and the use of more productive and stronger staple crop strains, and chemical fertilizers application that the state is self-sufficient in the food grains production. The domestic consumption main crops are millet, rice, and other cereals, pulses, peanuts, cotton, sugarcane, chilies, and cashews are the cash crops. The Tamil Nadu farmers raise livestock and fulfill the dairy industry with cows, goats, poultry, and sheep.

The progress is apparent in Tamil Nadu as in the FY21 second and third quarters the state received Rs. 61,000 crores as new investments. The key investments include SunEdison Energy India’s solar photovoltaic modules, a project of lithium-ion batteries in Tiruvallur for Rs.2500 crore by Lucas-TVS, and a Daimler India Commercial Vehicles plant set up at Rs. 2300 crore at Oragadam.

Most Profitable Manufacturing Industry for Tamil Nadu, India

  1. Biodegradable Carry Bag And Garbage Bag
  2. Blending & Boiling Plant Of Liquor From  Ena
  3. Alloy Steel Casting
  4. Coal Washing Unit
  5. Disposable Plastic Syringe (Sterlized)
  6. ERW Steel Pipes & Tubes
  7. Food Processing Unit
  8. GI Wire And Barbed Wire
  9. Hospital Disposable Products Likes Surgical Gouns, Drapes Apron, Shoe Cover Etc.
  10. Holiday Resort (3 Star Category)
Other Profitable Industries to consider:

  • Lithium Ion And Lithium Polymers Batteries Manufacturing And Assembling For Electric And Hybrid Vehicles  For Cellphones Application
  • Orthopaedic  Plants And Instruments Plates, Screw And Nails (Standegs Steel, Titanium &  Carbon Fibres)
  • Steel Drums & Brrels
  • Stainless Steel Utensils Manufacturing
  • Starch Produce From Sweet Potato
  • Adhesives Manufacturing
  • Assembling Plant Of  Passengers Evs (Electric Car)
  • Alloy Steel Casting
  • Abc Cable Factory
  • Aluminium Foil
  • Aluminium Ingot From Aluminium Scrap
  • Brushless Dc Hub Motors Used In Electric Vehicles
  • Brushless Dc Motor And Ac Induction Motor For Electric Vehicle
  • Biodegradable Cups,Plates Plant
  • Biodegradable Sanitary Napkins
  • Biodegradable Diapers
  • Biodegradable Carry Bag And Garbage Bag
  • Blending & Boiling Plant Of Liquor From  Ena
  • Battery Smelting & Lead Refining 
  • Chain Link Fencing
  • Cultivation  Of Cordiceps Sinensis
  • Cable Tray Manufacturing
  • Calcined Petroleum Coke (Pet Coke)
  • Construction Chemicals
  • Crackers Manufacturing (Patakhe)
  • Coal Washing Unit
  • Ceiling Fans
  • Disposable Plastic Syringe (Sterlized)
  • Distribution Transformers &  Repair
  • Detergent Cake & Powders Manufacturing Unit
  • Dehusking Rubber Roller For Rice Mill 
  • Domestic Reverse Osmosis Filters Cartridges And Housing Manufacturing Unit
  • Dairy Products (Ghee, Butters, Milk Powders)
  • Door Hinges (Mild Steel & Stainless Steel)
  • Epoxy Coated Tmt Bars (Sariya)
  • Erw Steel Pipes & Tubes
  • E-Rikshaw Assembling
  • Eucalyptus Oil Manufacturing Unit
  • Flour Mill
  • Fruit Juice Manufacturing
  • Food Processing Unit
  • Gi Wire And Barbed Wire
  • Hot Dip Galvanizing Plant
  • Hospital Disposable Products Likes Surgical Gouns, Drapes Apron, Shoe Cover Etc.
  • Holiday Resort (3 Star Category)
  • Industrial Gases Bottling Plant With Various Gas  Mixtures
  • Iv Fluid Solution Manufacturing Plant
  • Lithium Ion And Lithium Polymers Batteries Manufacturing And Assembling For Electric And Hybrid Vehicles  For Cellphones Application
  • Lithium Ion Battery Assembling Unit
  • Led Tv, Assembling
  • Led Bulb & Tube Assembing/Manufacturing Unit
  • Medical College (150 Students Intake Capacity Medical College With 500 Beds Hospitals
  • Maize Processing Plant
  • Motor Winding And Fan Assembling
  • Orthopaedic  Plants And Instruments Plates, Screw And Nails (Standegs Steel, Titanium &  Carbon Fibres)
  • Pet Preforms And Closures For Water, Beverages And  Edible Oils Packing Shrink Film (Collation Film) And Stretch Film (Integratated)
  • Pvc Solvent  Cement (Upvc & Cpvc)
  • Pan Masala Manufacturing
  • Pcb Board Fr Laptop  And  Power Bank
  • Sr Adhesives
  • Stainless Steel Pipe
  • Steel Drums & Brrels
  • Steel Wires
  • Surgical Cotton & Bandages
  • Solar Modules
  • Stainless Steel Utensils Manufacturing
  • Stone Paper Manufacturing
  • Steel Rolling Mills (Ms Rod)
  • Starch Produce From Sweet Potato
  • Treading
  • Truck Manufacturing Plant (Assembling Of Electric Trucks)
  • Toilet & Herbal Soap
  • Transparent Soap Base And Nooddle Soap
  • Tmt Bar & Wire Rod
  • Wpc (Plastic Composite) Board Line Manufacturing
List of the state schemes to start a new manufacturing unit 

Tamil Nadu exchanged MoUS (memorandums of understanding) in 2021 to nearly 35 with Rs.17141 crore as cumulative investment and the state has increased 55,054 people employment opportunities. The investments are in the power plants, auto components, electronics, food processing, industrial parks, auto components, pharmaceuticals, footwear, IT/ITeS services, and textiles.

Tamil Nadu has an excellent rail and road network and the infrastructure is well-developed. There are minor ports and major ports, the airport provides the best connectivity. They also installed in March 2022 35.14 GW power generation capacity. 

In the 2021 last quarter of the year, the UAE-based DP world showed its interest in establishing in Tamil Nadu numerous projects and has considered an investment of Rs. 2000 crore. The projects include cold storage, free trade zone, seafood processing zone, container terminal, free trade zone featuring rail siding, inland container depots in Karur, Erode, and Tiruppur, and a minor port on the state Eastern Coast. 

Business Loan schemes by the state government

  • Tamil Nadu is the nation’s industrial powerhouse and has made rapid strides in economic development. 
  • The new setup of solar power plants in northern Tamil Nadu will be at 18 stations to decrease the emissions of the Southern Railway.
  • The state government announced the Coimbatore metro rail project of 144 km to complete at Rs.6300 crore going through Coimbatore, Avinashi Road, Trichy Road, Mettupalayam Road, Satyamangalam Road, and Corporation Roads.