[1] Habibur studied law in Kolkata and began practicing professionally in Jessore in 1937.
[4] Due to his leading role in the Bengali language movement, he was arrested and sent to jail for conspiring against the state in April of the same year.
Meanwhile, several detained language movement activists started a hunger strike in the jail to protest mistreatment.
The former chief minister of Bengal, Huseyn Shaheed Suhrawardy, decided to come to Jessore from Kolkata to deal with the situation.
His younger brother, Mosharraf Hossain, was actively involved in the Liberation War of Bangladesh and the founding vice-president of JASOD.