in January 2007 after successor neutral Fakhruddin Ahmed led Caretaker Government took office and retired voluntarily in July 2009.

[12] Chowdhury worked as Senior Police Advisor, UNAMA (United Nations Assistance Mission in Afghanistan), as a UN Staff member from June 2008 to April 2010.

On 10 November 2024, Chowdhury was appointed as the Special Assistant (status equivalent to a Minister of State) to the Chief Adviser of the Interim Government of Bangladesh.

[14][15] In 2007, after the military-backed government assumed office, fresh investigation into the case was launched on the 2004 Dhaka grenade attack.

After Awami League formed government in 2009, prosecution filed a petition to launch further investigation into the incident in June 2009.

In July 2011, 23 months after further investigation, CID submitted a supplementary chargesheet where Chowdhury, along with two other former inspectors general, was implicated.