Juvenile is the period of life from birth till the person becomes major that means a person from birth to 18 years of age is a juvenile the basic meaning in a lay man language is child, and juvenile delinquency means that the juvenile practicing unlawful behavior as a minor or we can say that a child is involved in heinous crime let us take one example to understand better like a ball of mud we can give whatever shape we want we can make pitcher which satisfy thrust of many people or can become a stone which is useless and even can harm anyone same as in the case of a child when a child took birth it is like a ball of mud we can give whatever shape we want weather it becomes like a pitcher who satisfy the thrust of people or become a stone which harm people it totally depends up on the surrounding environment or upbringing of the child if the child if we give a child a healthy and a good environment then he adopt all moral vale which he need. But some time what happen is the child did not get the environment he wants may be due to lack of communication among parents or don’t have a good friend circle then it leads to juvenile delinquency. We can find lots of reasons behind this here I am going to discuss about what is juvenile delinquency, reasons or factors behind it, discuss about leading cases, what can be done to improve this condition and at last conclusion and some learning points.