1. Sectors of Economic Activities : (i) Primary sector/Agricultural sector - use of natural resources - cultivation of cotton
(ii) Secondary sector/industrial sector, manufacturing sector
(iii) Tertiary sector/Service sector
(a) Development of primary and secondary sector
(b) generation of services rather than goods.
2. Comparing the Three Sectors : How do we count the various goods and services and know the total production in each sector
(a) To include value of final goods and services including the value of all the intermediate goods
(b) GDP - sum of production of three sectors in a year
(c) Task of measuring GDP by a ministry with the help of various govt, departments of all States and Union Territories.
3. Historical Changes in Sectors : (i) Initially primary sector
(ii) Changes in agriculture
(iii) Manufacturing and secondary sector
(iv) Change from secondary to tertiary sector
(v) Rising importance of tertiary sector - Hospitals, defence, transport, trade, storage, increase in income and new demands, development of IT
(vi) Still more people employed in primary sector - under-employed/disguised unemployment
(vii) New employment - How to create : Loan by banks, construction of dams for irrigation; transport facilities and storage of crops; to promote local industries ; tourism and MGNREGA 2005.
4. Division of Sectors : (i) Organised and unorganised
(ii) Organised - Factory Act, Minimum Wages Act and other facilities
(iii) Unorganised - No such facilities and outside the control of govt
(iv) Need to protect workers in the unorganised sector
5. Sectors in Terms of Ownership: (i) Public and Private
(ii) Public sector
(a) Production of electricity
(b) railways
(c) fair price shops
(d) primary responsibility of govt
(iii) Private sector i.e., Reliance Industries