Dear Ignorant Soul, It seems that you have nothing to do with any religion. You seem to be only 'inquisitive' and nothing more with respect to religion. Please don't mind. Religion is a deep ocean. It requires great courage to dive deep for the 'gem'. May God bless u.
Hinduism as a religion, have no prescribed social laws. The social laws observed in Hindu society developed gradually as per the practice followed by people. The religion, strictly speaking, has nothing to do with social norms and behavior.