Daw Sandar Min was born on the 5th of November 1968, to U Win Myint and Daw Nu Nu Kyin in Yangon, Myanmar. In 1985, Sandar began her study of chemistry at the University of Yangon.
During her third year of college, Sandar served as a leader in the Student Union and Rights movement, and soon joined The Pro Democracy and Human Rights movement of 1988. Sandar is one of the founders as well as a leader in the Tri-colour (Thone-Yaung-Chae) student organization. Sandar served as a personal security officer for Daw Aung San Su Kyi. In July 1989, Sandar was given a 3 years detention for peacefully protesting against the Military Government. She was released in 1992. Her father passed away while she was still in prison.
After her release, Sandar continued her education and in 1994, successfully obtained a Bachelor of Science in Chemistry. Shortly after, Sandar being a non-prejudice, married Captain Maung Maung from The Defense Industries. Sandar and Maung Maung gave birth to Mg Han Htoo Bala in 1996. In the same year Sandar was arrested again as a suspect under false accusations regarding a terrorist attack at Swedaw Pagoda. Her charges were cleared after 1 month of questioning.
Soon after, Sandar was employed as a general manager at A&T Bakery and Confectionary. Sandar continued her education and achieved various diplomas including Business Law, Applied Psychology, English, Applied Business Management and Baking Technology.
In 2003 Sandar also served as the Operations Manager of La Pyi Won Children Development Family. Sandar successfully helped La Pyi Won register as a legal nonprofit organization with the missions of Social Welfare, Relief and Resettlement.
In 2005 Sandar reunited with other Tri-colour students and 88 Generation students to continue their mission for a truly democratic Myanmar.
In August 2007, Sandar Min and other prominent activists were arrested, following peaceful demonstrations against the military regime’s economic mismanagement, hikes in fuel and commodity prices, and the falling standard of living. In August 15, 2007, the 88 Generation Students Group, along with other opposition groups staged peaceful walking protests throughout Yangon, which then spread across Myanmar. In November, 2008 she was transferred to Myaungmya Prison, Irrawaddy division and was sentenced to 65 years in prison.
On 13th Janurary 2012 Sandar Min was freed along with other activists after 4 years and 7 months. Immediately after her release, Sandar being a dissident, joined The National League for Democracy and boldly made a decision to continue her commitment towards a democratic Myanmar by serving her civic duty in the parliament.