Alam is the son of Mohammed Taslimuddin, who was a member of Rashtriya Janata Dal and an MP from the Araria seat.
[1] Alam had been elected to the Bihar Legislative Assembly (from Jokihat seat) for four terms (1996, 2000, 2010, 2015) - first and second term as a candidate of Rashtriya Janata Dal, and the next two as a candidate of Janata Dal (United).
[2] In January 2016, he was suspended by his party after a FIR was lodged against him for allegedly misbehaving with a couple in a train.
He said that Bihar Chief Minister Nitish Kumar had betrayed secular forces by breaking the Mahagathbandhan alliance and allying with Bharatiya Janata Party.
[4] Subsequently, he was nominated by the party to contest the Parliamentary bypoll for the seat of Araria (vacated due to the death of sitting MP Mohammed Taslimuddin).