The Bhakti movement of medieval India, with leaders like Ramananda, Ramanuja, Kabir, Mirabai, Chaitanya, Surdas, Namdev, Tukaram, Vallabhacharya, and Basava, emphasized the use of local languages, equality before God, devotion to Krishna, and rejection of caste barriers, along with their doctrine of Susuddhatva and Bidveshi, etc. Nirguna Bhakti.
