The study was conducted to assess the moral reasoning of adolescent boys and girls in the light of Gilligan theory. The main objectives of the study were to investigate the moral reasoning of adolescent boys and girls with reference to responsibility orientation versus justice orientation and to compare the frequency of adolescent boys and girls with right orientation and responsibility orientation. The population of study consisted of all adolescent boys and girls studying in SSC and F.A/FSc of Fazaia Inter College Chaklala Rawalpindi. They all were sixteen to twenty years of age. The sample of study consisted of 40 boys and 40 girls studying in Matric and F.A/FSc of Fazaia Inter College Chaklala Rawalpindi, were taken applying random sampling technique. The scale developed by Baker and Role (2002), an objective measure of the two orientations was translated into Urdu language for the collection of the data of the study. The main conclusions of the study were that adolescent girls found to be more care oriented than boys, however, they were found to be equal on justice oriented. It was also inferred that religion is the most important factor which influence the moral judgment and justice oriented approach of boys and girls. The present study partially supports Gilligan's theory and it was also concluded that cultural norms do play an important role to make the boys more assertive to boys as compared to girls. It is expected from girls that they should be submissive, introvert and caring as compared to boys.