ised a body of sannyāsīs or ascetic votaries, into which, however, he admitted only Brahmans, whereas Śaṃkara opened some of the sections of his devotees to non-Brahmans; but on the other hand he was far more liberal than Śaṃkara in the choice of his congregations, for he endeavoured to bring men of the lowest castes, Śūdras and even Pariahs, within the influence of his church, though he kept up the social barrier between them and the higher castes, and he firmly upheld the principle of the Bhagavad-gītā that it is by the performance of religious and social duties of caste, and not by knowledge alone, that salvation is most surely to be won. He established schools and monasteries, reorganised the worship of the temples, usually in accordance with the Pāñcharātra rules, and thus placed his church in a position of such strength in Southern India that its only serious rival is the church of Śiva.
Nimbārka, who probably flourished about the first half of the twelfth century, preached for the cult of Kṛishṇa a doctrine combining monism with dualism, which is followed by a small sect in Northern India. Ānanda-tīrtha or Madhva, in the first three quarters of the thirteenth century, propounded for the same church a theory of thorough dualism, which has found many admirers, chiefly in the Dekkan. Vallabhāchārya, born in 1479, founded a school of Kṛishṇa-
