Complex sentence: Mitra was arrested by the police while trying to escape, and was sent to the Rajshahi Central jail on 21 January 1950, where she was allegedly tortured for not accepting her involvement in the rebellion.
Split into simpler sentences: Mitra was arrested by the police while trying to escape. Then she was sent to the Rajshahi Central jail on 21 January 1950, where she was reportedly tortured for not accepting her involvement in the rebellion.