The objective of the study is to analyse the child labour in Odisha-A conceptual and descriptive, income determinants of child labour and their participation in the workforce at an early age in Khurdha district of Odisha on the basis of primary data. The regression results reveal that family income has significant negative impact on the working hour of the child labour. Family size is a non-economic factor which affect the working hour of child labour significantly. Children’s desire to work has a positive and significant influence on employment of working Children. Child labours are from poor and larger families who are forced to join labour force to supplement the family income. The regression coefficients of physical condition are negative and coefficient of all other variables is positive. Age of becoming child labour is a significant variable. Higher the age of child labour, higher is the income of child labour.