Present day the numbers of child working population are increasing day by day in the developing and under developed countries. Actually the child working populations are called as child labour whose age ranged from 5 to 14 years. In India, the children are engaged mostly in various low-key jobs of the unorganized sectors which are hazardous in situation. The Census found an increase in the number of child labourers from 11.28 million in 1991 to 12.66 million in 2001 and 21.39 million in 2011. In addition, nearly 85 per cent of child labourers in India are hard-to-reach, invisible and excluded, as they work largely in the unorganised sector, both rural and urban, within the family or in household-based units. This paper reveals the causes of increasing child working people as well as present condition and some suggestions about to reduce of child worker in different sector in the country