[1] Shahriar was born on 18 July 1974 to a Bengali Muslim family in Rangpur, Bangladesh.
His father, Mozammel Hossain Lalu, has roots in Dinhata in present-day India.
His paternal grandfather, Maqbul Hossain, was a lawyer and served as a minister of the erstwhile Maharaja of Cooch Behar.
A case was filed against Shahriar with Rangpur Police Station over the clash.
[6] He ran as an independent candidate in the Rangpur-3 by-election and lost to his cousin Saad Ershad.