(i) The occupational composition of India’s population which means engagement of an individual in farming, manufacturing trade, services or any kind of professional activities. (ii) About 58.2% of total working population are cultivator and agricultural labourers whereas only 4.2% of workers are engaged in household industries and 37.6% are other workers including non house hold industries, trade, commerce, construction, repair and other services. (iii) As far as the occupation of country’s male and female population is concerned, male workers out-number female workers in all the three sectors. The number of female workers is relatively high in primary sector though in recent years there has been some improvement in work participation of women in secondary and tertiary sectors. (iv) The proportion workers in agricultural sector in India has shown a decline over the last few decades. The participation rate in secondary and tertiary sector has registered in increase. (v) It indicates a shift of dependence of workers from farm-based occupation to nonfarm based ones, indicating a sectoral shift in the economy of the country. The spatial variation of work participation rate in different sectors in the country is very wide.