Basic industries: These produce capital goods i.e. heavy engineering and machine building industries.
Public Sector Undertakings: These are the undertakings owned, managed and conrolled by government. for example, Air India Ltd, ONGC BHEL, Coal India Ltd etc.
Public Limited Companies: A public limited company is a voluntary association of members which is incorporated and, therefore has a separate legal existence and the liability of whose members is limited.
Private Sectro Undertakings:
These are the undertakings owned, managed and controlled by private individuals or firms. For example, Reliance Industries Ltd, Tata Consultancy Services, Infosys Technologies Ltd, ITC Limited etc.
Private Limited Company:
Private Limited Company: A private limited compay is a voluntary association of not less than two and not more than fifty members, whose liability is limited, the transfer of whose shares is limited to its members and is not allowed to invite the general public to subscribe to its shares or debentures.
Primary Industry: Primary industry is concerned with production of goods with the help of nature. It is a nature oriented industry, which requires very little human efforts Ex. agriculture, farming, forestry, fishing and horticulture.
Mega Industries: In these industries, the investment limit is more than Rs.100 crores.
Manufacturing Industry: Manufacturing industries are engaged in transforming raw material into finished product with the help of machine and manpower. The finished goods can be either consumer goods or producer goods. Ex: textiles, chemicals, sugar industry and paper industry.
Large Industries: The investment is more than Rs. 10 crores but less than Rs.100 crores in these industries.
Joint Sector Undertakings: Joint sector consists of business undertakings wherein the ownership, control and management are shared jointly by the government, the private entrepreneurs and the public at large. Ex. Cochin Refineries Ltd, Goa Carbon Ltd, BPCL etc.
Industries producing intermediate goods: These industries produce coal, cement, steel, power, alcohol, chemicals and other industreis.
Industries Producing Consumer Goods:These industries produce consumer goods such as cotton textiles, leather goods, salt, sugar, paper and other industries.
Extractive Industry: Extractive Industry is concerned with extraction or drawing out goods from the soil, air or water. Generally products of extractive industries come in raw form and they are used by manufacturing and construction industries for producing finished products. Mining industry, coal, mineral, oil industry, iron ore, extraction of timber and rubber from forests are parts of extractive industries.