Youths are important assets of a country. To realise the full potential of youth, the law is an instrument. Youth delinquency impedes his development. The response of the law is both a carrot and stick approach so far. While a host of disciplines try to understand youths, their behaviours, science, more particularly neuroscience, has its relevance. This paper makes an exploration of normative position and recent scientific advancement to understand a juvenile and his delinquency. The paper adopts the exploratory method on the status of values on juvenile justice in Constitutional and legislative norms in India and cognitive and developmental neuroscience. The paper concludes with a perspective on the scientific orientation of juvenile's responsibility and reform