Section 15(1) in The Juvenile Justice (Care and Protection of Children) Act, 2015
(1)In case of a heinous offence alleged to have been committed by a child, who has completed or is above the age of sixteen years, the Board shall conduct a preliminary assessment with regard to his mental and physical capacity to commit such offence, ability to understand the consequences of the offence and the circumstances in which he allegedly committed the offence, and may pass an order in accordance with the provisions of sub-section (3) of section 18:Provided that for such an assessment, the Board may take the assistance of experienced psychologists or psycho-social workers or other experts.Explanation. - For the purposes of this section, it is clarified that preliminary assessment is not a trial, but is to assess the capacity of such child to commit and understand the consequences of the alleged offence.