[1][2][3] Lallu was born 4 November 1979 in Seorahi village of Kushinagar district of Uttar Pradesh to his father Shivnath Prasad.
He was elected MLA by defeating Bhartiya Janata Party candidate Nand Kishor Mishra by a margin of 5,860 votes.
Same day Lallu was granted bail by an Agra court in a case lodged against him for flouting the norms of lockdown and staging protests along with his party men while squatting on the road.
But before being released on bail, he was rearrested by a team of Lucknow police in a second case related to alleged forgery and cheating filed in connection with the Congress' standoff with the UP government over the arrangement of buses for migrant workers.
[14] On 16 June 2020, The Allahabad High Court granted bail to UP Congress chief Ajay Kumar Lallu questioning his party's offer to provide buses for migrant workers.