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Mitra Bir was a freedom fighter and educationist from Goa, who was sentenced to twelve years in jail at the age of 22 when the region was a Portuguese colony. She later opened schools for girls at Margao, Verem, Kakora and other locations in Goa, as well as centres for adult and vocational education for women. She was married to the late Madhav R. Bir, a former member of the Goa assembly and Gandhian.
She died in 1978.
- Perez, Rosa Maria (August 2018). "Goans on the move - Provincializing Goa: Crossing Borders Through Nationalist Women". InterDISCIPLINARY Journal of Portuguese Diaspora Studies. 7: 235–236. ISSN 2325-3991. Archived from the original on 7 April 2019. Retrieved 7 April 2019.