While there are records in the Puranas as to account of the pre-historic forms of Vaishnavism or Bhagavatism in the area of present state, the modern history of Vaishnava practices in Manipur started with a king of the Shan kingdom of Pong gifting a murti of Vishnu chakra (the symbolic disc of Vishnu or Krishna) to Kyamaba, king of Manipur, so since 1470s the kings of Manipur started worshiping Vishnu. Many brahmana priests from the west, main areas of India, came to Manipur and settled there. The account of the arrival of the members of brahmanas is found in the records of the book Bamon Khunthock. King Kyamba (1467-1523) built a Vishnu mandir in Vishnupur, a notable architectural monument. In 1704 King Charai Rongba was initiated into Vaishnava tradition and since then Vaishnavism became the state religion. This consolidated the cultural contact with India even further. King Gareeb Nivaz was ruling from 1709 to 1748 and he was initiated into Vaishnavism of Chaitanya tradition, by followers of Narottama Dasa Thakura, who worshiped Krishna as the supreme deity, Svayam bhagavan. He practiced this religion for nearly twenty years. Preachers and pilgrims used to arrive in large numbers and cultural contact with Assam was maintained. Its believed that the wave of devotion that turned the entire kingdom Krishna conscious took place during the reign of Gareeb Nivaz’s grandson Bhagyachandra.
The Manipuri Vaishnavas do not worship Krishna alone, but Radha-Krishna. With the spread of Vaishnavism the worship of Krishna and Radha became the dominant form in the Manipur region. Every village there has a Thakur-ghat and a temple.
With the adoption of Gaudiya Vaisnavism the life style of Bengali Vaishnava society of 18 th century AD gained acceptance to this society as an integral part of Vaishnavic way of life. Rasa Lila and Nata Sankirtana became the important features of religious function. The impact of Chaitanya Vaishnavism was very deep in all sphere of the Bishnupriyas. In all rituals non-vegetarian foods is completely prohibited. It has no exception even in the case of disposal/ cremation of dead bodies.
It can be conclusively said that the formation of Bishnupriya language and development of religious concept, culture, heritage etc. definitely took place in the soil of Manipur. Great majority of Bishnupriya Manipuri people fled away from Manipur and took refuge in Assam, Tripua, Sylhet (Bangladesh), and in Cachar during the 18 th and 19th century due to internal conflicts / turmoil and repeated Burmese attacks. During the mass exodus that the Bishnupriya manipuri carried their culture and heritage with them at their new settlements.