In July 1757, Burmese King Alungpaya captured thousands of Meiteis and settled them in Sagaing and Amarapura regions.
In 1780, Burmese King Bodawpaya brought some Meiteis from Manipur to Mogok to work in the ruby mines.
The country previously had contained a very great number of horses, other cattle not above one in a hundred of which was left behind.
He (a priest of Raja Bheigyachandra) thinks that (they) carried away or destroyed 300,000 persons of different ages and sexes and indeed it was alleged, when I was at Ava that 100,000 captives remained near the city.
Desai said,"the captured Manipuris were settled in the districts of Amarapura and Sagaing They introduced the Acheik pattern in silk into Burma.
"[5]: 19 Regarding the forced Meitei immigration to Myanmar, scholar L. Ibungohal said that "Ibungsai Joyram continued guerrilla (war) against the Burmese.
During this time, King Bagyidaw took some Meitei people to Myanmar by promising them jobs.
Pemberton documented the status of the Meiteis in Myanmar as follows "There are hundreds of captive Casseys now in Ava, and living within 500 yards of the residency, besides many others scattered over different parts of the kingdom, the majority of these, however, were taken during former wars, and have become naturalised.
[8] Some Meiteis of Yangon and Mandalay can write and read their language written in Bengali script.
Meiteis of Ningthi river basin did not learn Burmese language before the Second World War era as they believed that it was inferior.
[9] Traditional Meitei deities worshipped in Myanmar are Pakhangba, Yumjao Lairembi, Nongpok Ningthou, Panthoibi, Marjing, Thangjing, Leimarel Sidabi, among other.
In older days, there was a tradition of offering shareng fish to Umang Lai (forest deities) and distributing it among people.
[9] There is no tradition among Meiteis of Mandalay region for reserving a place inside the south-eastern corner of their houses dedicated to God Sanamahi.
[10] Hindu deities worshipped by Meiteis in Myanmar are Lord Radha-Krishna, Jaganath, Vishnu, Nityananda, Mahaprabhu, Rama-Sita, Narayana, etc.
During the evening prayer sessions, devotees sing devotional songs by beating drums and striking cymbals.
[9] Historically, most Meiteis of Myanmar worked as cavalry (horsemen), infantry (foot soldiers), indigenous physicians, carpenters, goldsmiths, rowers, weavers, miners of precious stones, fishermen, priests and astrologers, etc.
Some Meitei merchants of the Ningthi river basin even came to Manipur during festival times for selling clothes and sweets.
Some Meiteis living along the Ningthi (Chindwin) river know their surnames and Yek Salai (clan).
Myanmarese Meitei women wear stripped sarong and long sleeved blouses.
Women wear pumngou phanek (pale pink sarong) during ceremonial events.
There is no tradition of phidon chingkhatpa (wearing sarong over the chest) among married women during religious events.
They were shunned for visiting their traditional temples, meaning they were treated as untouchables and not allowed to join in.
[5]: 101 When Burmese King Alaungpaya invaded Siam (Thailand), he had 500 Manipuri (Meitei) horsemen with him.
Boys and girls stay unmarried because they can't find suitable partners, face discrimination, or deal with caste issues.