Shubham: Does darkness exist?It's the opposite of light,similalry good exists because evil exists,you do not need science to justify faith or religion,there is enough Historical fact that Ram existed,same can be said of Christianity or Islam or other religions. What proof do you have that you exist?You are just a manifestation?Did you come from an Ape?or Adam or eve?If all humans are brothers and sisters,then why are you comitting incest? If you are a Hindu,believe in your faith or at least in goodness of fellow humans and nature including animals,if you follow other religion,believe in them,as all religion is a matter of faith and say good to one another. the differences are created by idiots of all religion. Do good to others !