States of India by Meitei speakers

Meitei language, the sole official language and the lingua franca of Manipur, one of the scheduled languages of India, one of the recognised educational and literary languages of Assam and Tripura states, has its speakers spread across entire India.
Meitei language, along with Gujarati language, hold the third place among the fastest growing languages of India, following Hindi and Kashmiri language, according to the 2011 census of India.

As a second language

According to the Ethnologue, in India, Meitei language is used as a second language by the various Naga ethnic groups and Kuki-Chin ethnic groups, including Aimol, Anal, Chiru, Chothe, Gangte, Hmar, Inpui, Kharam, Koireng, Kom, Lamkang, Mao, Maram, Monsang, Moyon, Purum, Tarao, Thadou, Thangal Naga peoples.