Original sentence: In later periods, the Jains migrated towards the West and South of India and established themselves as prosperous communities in the Chalukya and Rashtrakuta courts.It was suicidal for them to follow the brahmanical law-books.Rishabha prescribed Jain rites for birth, marriage, death and instituted a class of Jain brahmins.Some scholars opine the śramaṇas of Jain tradition were widespread in the Indus Valley, with the relics of Indus Valley Civilization representing Jain culture, like the standing nude male figures in Kayotsarga, idols in lotus position, images with serpent-heads, and the bull symbol of Rishabha.The Digambaras in South India could not preach against social ranks at the cost of their survival.Therefore in the 8th century CE, Jinasena produced Jain law books in the guise of Puranas glorifying the Tirthankaras and declaring Varnas were not of Brahmanical origin but was promulgated by the first of the twenty-four Tirthankaras, Vrsabha, at the beginning of the present kalpa.Thus, it is suggested to have existed before the advent and evolution of latter Brahmin traditions
Edited sentence: It can also be said that original Shramanas are Jains.It is said that original Shramanas are Jains.Scholars of the opine that śramaṇas of Jain tradition were widespread in the Indus Valley, with the relics of Indus Valley Civilization representing Jain culture, like the standing nude male figures in Kayotsarga, idols in lotus position, images with serpent-heads, and the bull symbol of Rishabha.The oldest Shramanas are Jains.Thus, it is suggested to have existed before the advent and evolution of Brahmin traditions