1.. Agriculture & Allied Sector:This sector includes forestry and fishing also. This sector is also known as theprimary sector of the economy. At the time of Indian independence this sector had biggest share in the Gross Domestic Product of India. But year by year its contribution goes on declining and currently it contributes only 17% of Indian GDP at current prices. It is worth to mention that agriculture sector provides jobs to around 53% population of India.

2. Industry Sector:This sector includes 'Mining & quarrying', Manufacturing (Registered & Unregistered), Gas, Electricity, Construction and Water supply. This is also known as thesecondary sectors of the economy.Currently it is contributing around 31% of the Indian GDP (at current prices).

3. Services Sector:Services sector includes 'Financial, real estate & professional services, Public Administration, defence and other services, trade, hotels, transport, communication and services related to broadcasting. This sector is also known astertiary sector of the economy. Currently this sector is thebackbone of the Indian economy and contributing around 53% of the Indian GDP.

Gross domestic product (GDP) is the monetary value of all the finished goods and services produced within a country's borders in a specific time period.