banu joined pabna government girl's school as a teacher. she joined awami league in 1953 and was elected women secretary to the provincial committee. she was elected to the east pakistan provincial assembly next year from the united front. she was nominated whip by awami league. she criticised the police treatment of ila mitra and asked for and to her detention. she was elected to the central committee of the national awami party. she would later work as a teacher in rangpur government girl's school and from 1959 to 1964 in nari sikkhsa mondir. she was the headmistress of pabna central girl's school.