Buddhism almost spread densely in India for about six hundred years and also got support of kings and states and it also flourished not only in terms of treasurer but also in state power like of Christianity after the downfall of Romans in Europe.Words of Gautama Buddha after attaining Nirvana were against of any religious rituals and practises but after His death, gradually his words become another religion. Buddhism flourished and flourished rapidly on the Aryan land and also prospered and therefore also brought many evils in the then society and this new native ideology altered the Hindu race of Aryans. Buddha was against of any type of religion and preached true knowledge against rituals and customs but later He himself was made ritual of religion. For Him, true knowledge is only liberation (Nirvana).