Mahmud was a former central vice-president of the
Bangladesh Chhatra League. During the
Bangladesh Liberation War of 1971, he served as a
BLF commander in Cox's Bazar subdivision. Mahmud served as the first chairman of the Chakaria Upazila Council. He joined the
Jatiya Party (Ershad) in 1986, and was elected to parliament from
Cox's Bazar-1 as a Jatiya Party candidate in the same year. He was re-elected at the
1988 Bangladeshi general election for a second term. Upon the creation of the nationwide District Council Chairman positions, he was appointed as the first chairman of the Cox's Bazar District Council. Presently, he is a presidium member of the
Jatiya Party (Manju). ==References==