1. How are industries classified on the basis of raw materials size and ownership
1.Agro-based industries.Cotton textile, jute textile and sugar are examples of such agro-based industries.
2.Pastoral based industries. Hides, skins, shoes, dairy, etc. are some of the pastoral-based industries.
3.Forest based industries. Paper, plywood, lac, rayon, resin, furniture, sports are forest-based industries.
Industries based on sizes are
1. Small scale industries: These industries produce goods in small scale and has less number of labours. It uses simple machines for production.Khadi industries,cottage industries etc.
2. Large scale industries: These industries produce a wide variety of products. They are capital intensive, uses heavy machines and involve a huge man power. Iron and steel industries, Petroleum industries etc.
Industries based on ownership include:
1. Private Sector Industries.
Industries owned by individuals or firms, such as Reliance or TISCO (Jamshedpur), are called private sector industries.
2. Public Sector Industries.
Industries owned by the state and its agencies like Bharat Heavy Electricals Ltd., or Bhilai Steel Plant are Public Sector industries.
3. Joint Sector Industries.
Industries owned jointly by the private firms and the state or its agencies such as Gujarat Alkalies Ltd., or Oil India Ltd. fall in the category of joint sector industries.
4. Co-operative Sector Industries.
Industries owned and run co-operatively by a group of people who are generally producers of raw materials of the given industry. For example, sugar mill owned and run by farmers are called co-operative sector industries.