[1] Khan was born in 1963 to Bengali Muslim parents in Naoda, Murshidabad district.
In 1980, he passed his 8th/Madhyamik under the West Bengal Board of Secondary Education from Hareknagar MMCVP in Beldanga.
Khan's political career began when he stood up as an Indian National Congress candidate for the Naoda (Vidhan Sabha constituency) during the 2001 West Bengal Legislative Assembly elections.
In 2019, Khan gave up his seat at the West Bengal Legislative Assembly to contest the 2019 Indian general election for the entire Murshidabad as an All India Trinamool Congress candidate.
He successfully won the seat, defeating Abu Hena by 226417 votes, and officially became a Member of the Indian Parliament.