He was a member of the governing council of the East Turkestan Republic, a Soviet-backed administration founded in three northwestern districts of Xinjiang during the Ili Rebellion in November 1944.

Qasim was a leader of the pro-Soviet East Turkistan Turkic People's National Liberation Committee (ETTPNLC).

[14] He led a delegation to the National Assembly in Nanjing to negotiate bi-lateral relations between ETR and the Republic of China.

On August 24, 1949, Qasim, Abdulkerim Abbas, Ishaq Beg Munonov, Dalelkhan Sugirbayev, Luo Zhi and other top ETR representatives (11 men in all) boarded a plane in Almaty, the capital of the Kazakh SSR, for Beijing.

On September 3, the Soviet Union informed Saifuddin Azizi, another leader of the ETR, who was not on the flight that the plane had crashed near Lake Baikal en route to Beijing, killing all on board.

[16] News of plane crash and death of Qasim was not publicly announced in Xinjiang until early December, after the People's Liberation Army had secured the region.

[17] She later served as a member of Standing Committee of the National People's Congress and a vice chair of the All-China Women's Federation.