Public Sector is divided into the following nine categories
1. Public sector enterprises must supply essential infrastructure for economic development which are known as primary public utilities which include the following: Airlines, Shipping, Railways, Power Generation, Tele communication etc.
2. Public sector enterprises also to have control of the “commanding heights of the economy” e.g. Defence, Banks, Coalmines, Oil, Steel etc.
3. They are to play an entrepreneurial role which is, in other words, called capital intensive industries: e.g., Iron ore, Petro-Chemicals, Fertilizer, Mining, Ship - Building. Heavy Engineering etc.
4. Public sector enterprises under Government monopoly which includes: Telecommunication equipment. Defence production. Railways, Rolling Stock etc.
5. Public sector enterprises which are exclusively meant for High Technology industries, e.g.: Atomic energy.
6. Consumer oriented public sector undertakings. eg. Drug, Paper, Hotels etc.
7. Public Sector enterprise which is set up in order to take over the sick private units, e.g.: Textile, Engineering etc.
8. Public sector enterprises which are set up as Trade Corporation, e.g.: FCI, CCI etc.
9. Public sector enterprises which serves as a consultancy and engineering service etc. e.g. MECON.
NITI Aayog (National Institution for Transforming India)
* NITI Aayog replaced 65 years old planning commission. Planning commission has power to allocate funds to ministries and states, this function will be now at finance ministry.
* NITI Aayog was formed on January 1st, 2015.