What is the lower age boundary for an adolescent under the Child and Adolescent Labour (Prohibition and Regulation) Act, 1986?

Section 2(i) of the Child and Adolescent Labour (Prohibition and Regulation) Act, 1986 defines an adolescent as a person who has completed fourteen years but not eighteen years of age. Eighteen is the upper limit of adolescence, not the lower; below fourteen the person is a child under section 2(ii).