Badal was born on 21 February 1952, in Sarowatali village in Boalkhali Upazila, Chittagong to Ahmadullah Khan and Zatuma Khatun.
Badal was involved with the Chhatra League in his student days, actively taking part in the Bangladesh Liberation War.
The split happened after the president of Jatiya Samajtantrik Dal, Hasanul Haq Inu, appointed Shirin Akhter, member of parliament, the general secretary of the party.
[9] On 1 March 2017, Badal criticised Human Rights Watch for its report on Bangladesh and denied allegations of torture against the government.
[12][13] After the resignation of Sheikh Hasina, Badal's grave was vandalized and set on fire in Sarwatli, Boalkhali Upazila, Chittagong District.