Every human life goes from a circle of GOOD and BAD. With every single soul stays a DEVIL forever with him/her. If we do good deeds the devils power is less and he can't provide harm to us but if we do bad deeds then his power increases more and more and he can harm our life more or less depends of our bad deeds. Same happens with the character of the film - 'MADHAV'. The story speaks about his good and bad deeds and the devils reaction on the same and its final outcome.