N.K. Chauhan 
The major industries in the Indian Economy are Iron & Steel, Textiles, Jute, Sugar, Cement, Paper, Petrochemical, Automobile, Information Technology (IT), and Banking & Insurance.
Steel Industry
Most of the iron and steel plants of India such as Jamshedpur, Burnpur, Durgapur are located in Jharkhand, West Bengal, Orissa and Chhattisgarh.These states are very rich in coal and iron ore deposits and are important producers of these materials.
Visveswaraya Iron and Steel Works at Bhadravati, Karnataka is a major exception which is located far away from the main coal-producing areas of the country.
The other raw materials used in this industry are manganese, limestone, dolomite, chromite, silica, etc.
Stainless steel is a corrosion-resistant alloy of iron, chromium and, in some cases, nickel and other metals.
| Steel Plant | Location | Operator |
|---|---|---|
| Alloy Steel Plant | Durgapur, West Bengal | SAIL |
| Bhilai Steel Plant | Bhilai, Chhattisgarh | SAIL (Russia Collaboration) |
| Bokaro Steel Plant | Bokaro, Jharkhand | SAIL (Russia Collaboration) |
| Chandrapur Ferro Alloy Plant | Chandrapur, Maharashtra | SAIL |
| Durgapur Steel Plant | Durgapur, West Bengal | SAIL |
| Essar Steel India Limited | Hazira, Gujarat | ArcelorMittal |
| IISCO Steel Plant | Asansol, West Bengal | SAIL |
| Jindal Steel and Power Limited | Raigarh, Chhattisgarh | Jindal Steel and Power |
| Jindal Steel and Power Limited | Angul, Odisha | Jindal Steel and Power |
| JSW Steel | Hospet, Bellary, Karnataka | JSW Steel |
| JSW Steel | Tarapur, Boisar, Maharashtra | JSW Steel |
| JSW Steel | Dharamtar, Maharashtra | JSW Steel |
| Rourkela Steel Plant | Rourkela, Odisha | SAIL, Gets Iron from Keonjhar |
| Salem Steel Plant | Salem, Tamil Nadu | SAIL |
| Tata Steel Limited (TISCO) | Jamshedpur (Tatanagar), Jharkhand | Tata Steel |
| Tata Steel Limited (TISCO) | Kalinganagar, Odisha | Tata Steel |
| Visakhapatnam Steel Plant | Visakhapatnam, Andhra Pradesh | Rashtriya Ispat Nigam Limited |
| Visvesvaraya Iron and Steel Plant | Bhadravati, Karnataka | SAIL, Far from Coal |
Aluminium Industry
Aluminium is the 2nd most important industry after the iron and steel industry.The plant for obtaining Alumina from bauxite ore for aluminium plants is located near the cheap sources of energy i.e., electricity & hydel power supply.
For producing 1 tonne of aluminium, 6 tonnes of bauxite is required.
Aluminium smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Heroult process. Alumina is extracted from the ore bauxite by means of the Bayer process at an alumina refinery.
The industry is power intensive as 30 to 35% of cost of production is accounted for by power.
Bauxite mining sites in India are: Orissa, Jharkhand, Maharashtra, Chhattisgarh & Madhya Pradesh.
| Plant | Company | Location |
|---|---|---|
| Korba | Bharat Aluminium Co (BALCO) | Chhattisgarh |
| Alupuram | Hindustan Aluminium Co. (HINDALCO) | Kerala |
| Renukoot | Hindustan Aluminium Co. (HINDALCO) | Uttar Pradesh |
| Mettur | Madras Aluminium (MALCO) | Tamil Nadu |
| Hirakud | Hindustan Aluminium Co. (HINDALCO) | Odisha |
| Angul (Koraput) | National Aluminium Co. (NALCO) | Odisha |
| Jharsuguda | Vedanta Aluminium Co. (VAL) | Odisha |
Cement Industry
India is the second largest producer of cement in the world.Of the total 210 large cement plants in India, 77 are located in the states of Andhra Pradesh, Rajasthan, and Tamil Nadu.
Textiles Industry
India's textiles sector is one of the oldest industries in the Indian economy dating back several centuries.India is the world’s second-largest exporter of textiles and clothing.
The first cotton textile mill in India was established at Fort Glastor (West Bengal) near Kolkata in 1818 .
Oil refining
India imports crude oil from a number of West Asian countries.In order to refine crude oil, several oil refineries have been set up in different parts of the country.
The oldest refinery is Digboi in Assam.
• • •
| Centre | Industry |
|---|---|
| Kankinara (West Bengal) | Jute |
| Virudhnagar (Tamil Nadu) | Cotton |
| Channapatna (Karnataka) | Silk |
| Bhadohi (Uttar Pradesh) | Carpet |
| Barabanki (UP) | Polyfibres |
| Aonla (UP) | Fertilizers |
| Modinagar (UP) | Rubber |
| Kanpur (UP) | Explosives |
| Varanasi (UP) | Diesel Locomotive |
| Raebareli (UP) | Telephone |
| Mathura (UP) | Oil Refinery |
| Chunnar (UP) | Cement |
| Dalmianagar (Bihar) | Cement |
| Bhopal (MP) | Pesticide |
| Visakhapatnam (Andhra Pradesh) | Ship |
| Muri (Jharkhand) | Aluminium |
| Gurgaon (Haryana) | Automobile |
| Panki (UP) | Fertilizers |
| Porbandar (Gujarat) | Cement |
| Nagthane (Maharashtra) | Petro |
| Rourkela (Kerala) | Iron & Steel |
| Panjim (Goa) | Rubber |
| Ramagundan (Tamilnadu) | Fertilizers |
| Chittaranjan (West Bengal) | Locomotive |
| Korba (Jharkhand) | Aluminium |
| Pipri (UP) | Hydroelectricity |
| Nepanagar | Paper |
| Narora | Atomic Power |
| Sindri (Jharkhand) | Fertilizers |
| Brijraj Nagar (Odisha) | Paper |
| Kaimur | Cement |
| Haldia (West Bengal) | Petrochemicals |
| Phulpur (UP) | Fertilizers |
| Mysore | Silk |
| Jawahar Nagar (Gujarat) | Petrochemicals |
| Talcher (Odisha) | Fertilizers |
| Rishikesh | Pharmaceuticals |
| Ludhiana | Hosiery |
| Titagarh | Paper |
| Lakheri | Cement |
| Jamshedpur | Iron & Steel |
| Bhilai | Iron & Steel |
| Ambala | Oil Refinery |
| Bangaluru | Aircraft |
| Malikhand | Copper |
| J.K. Nager | Aluminium |
| Malanjkhand (MP) | Copper |
| Tundoo | Zinc |
| Bhatpara | Jute |
| Sriganganagar | Fertilizers |
| Jaipur | Glass |
| Udaipur | Cement |
| Kota | Synthetic Silk |
| Jamnagar (Gujarat) | Petrochemicals |
| Kankinada | Jute |
| Virudhnagar | Cotton |
| Channapatna | Silk |
| Bhadohi | Carpet |
| Pithampur (MP) | Automobile |
