Rubuta ci gaba don wannan sakin layi - Banu ya shiga makarantar Farida Bidyatan a matsayin darekta a 1964. Ta shiga bangaren Moscow na Jam'iyyar Awami ta Kasa a shekarar 1967. Bayan an kashe Dr. Mohammad Shamsuzzoha a Jami'ar Rajshahi, ta jagoranci zanga-zanga a Comilla a shekarar 1969. A Lokacin Yaƙin 'Yancin Bangladesh
ta yi aiki a sansanonin 'yan gudun hijira a Salt Lake City da Agartala. 'Yarta, Shirin Banu, ta yi yaƙi a yakin' yanci na Bangladesh da aka yi ado a matsayin mutum.