[1] He went into voluntary retirement from the IGP post after he had been made officer on special duty and within few days he took charge as the adviser of the caretaker government headed by Fakhruddin Ahmed during the state of emergency in Bangladesh which was declared on 11 January 2007.

Later he was trained at the Bramshill Police Staff College, United Kingdom and the Human Rights Centre at Geneva, Switzerland.

[3] Iqbal played a significant role in the UN mission at Mozambique (ONUMOZ) and Angola (UNAVEM III).

Being the founding director general of the force Rapid Action Battalion,[4][5] Iqbal sworn-in as adviser which is equivalent to a cabinet minister of the non-party care-taker government on 17 January 2007 by the President of Bangladesh Dr. Iajuddin Ahmed.

[7] In the short span of time Iqbal established the Local Government Commission to ensure accountability and transparency, amended the acts of Upazila Parishad, Union Council, Municipal Council and City Corporations for women empowerment and ensuring Governance friendly persons' participation in Local Level election.

[11] and constant effort on implementation of minimum wages in all the factories throughout the country improved the Compliance situation up to mention able level in the garment sector of Bangladesh.

[14] Iqbal died from a cardiac arrest, suffered while working out at his daughter's home in Dubai, United Arab Emirates on 15 January 2015.