Pintu served as deputy minister for education from 2001 to 2003. After that he served as deputy minister for industries from 2003 to 2006.[citation needed]
In January 2008, Pintu was arrested for involvement in the 2004 Dhaka grenade attack.[1] On 1 December 2024, he was acquitted by high court in August 21 grenade attack cases.[3][4] In June 2008, the CID submitted charge sheet accusing 22, including Pintu and his brother, Maulana Tajuddin, a leader of Harkatul Jihad al Islami.[5][6] In October 2016, he was found guilty on charges of killing through common intention, planning and criminal conspiracy and was sentenced to death.[7]
Pintu was made vice-chairman of BNP's executive committee in 2016, at which time he was in prison.[8]
He was released from jail after 17 years on 24 December 2024.[9][10][11]