 The latter has criticised the former for its caste origin theory, claiming that it has dehistoricised and decontextualised Indian society.According to Samuel, referencing George L. Hart, central aspects of the later Indian caste system may originate from the ritual kingship system prior to the arrival of Brahmanism, Buddhism and Jainism in India.The system is seen in the South Indian Tamil literature from the Sangam period, dated to the third to sixth centuries CE.