Dear Renusuman,
No blanket answer can be given to your question because a "Corporate Company" can be a composite organization; its administrative offices, direct sales emporia coming under the Shops and Estt.Act and its manufacturing or processing units can be covered by the Factories Act,1948. A person below the age of 18 years can be a child or a young person/adolescent. Regarding the definition of child, there is no uniformity among the various legislations in force. For example, when the Factories Act,1948 defines a child as a person having not completed the age of 15 years while the Child Labour( Prohibition and Regulation ) Act, 1986 defines the same as a person not completed the age of 14 years.[ due to my own doubt as to the present stage of the Amendment Bill 2012, I refrain from refering to it ]. While the term adolescent is defined u/s2(b) of the Factories Act as a person completed 15 years of age but not18 years, the term is not defined under the CLPR Act.However, the CLPR Act,1986 prohibits employment of a child in 18 occupations and 65 processes and regulates the conditions of working of children in other occupations/processes. So, my suggestion to you is to refer to the specific establishment- related Act applicable to the particular unit/branch of the Corporate Company and ascertain the restrictions,if any about the employment of below 18 years workers, maximum no. of working hours/day, overtime work etc.