First Security Islami Bank Ltd. inaugurated 5 sub-branches on 24 August 2022 with a view to providing shariah based banking services to its clients. The Sub branches are- Akbarshah Sub-branch at Chattogram, Deodighi Sub-branch, Satkania, Chattogram, Badarkhali Sub-branch, Chakaria, Cox’s Bazar, Osmani Medical Road Sub Branch, Sylhet and Mithapur Bazar Sub-branch, Lohagora, Narail. Syed Waseque Md Ali, Managing Director of the Bank inaugurated those sub-branches through video conference. Among others, Abdul Aziz and Muhammad Mustafa Khair, Additional Managing Director(s), Md. Zahurul Haque and Md. Masudur Rahman Shah, Deputy Managing Director(s) along with other high officials were present in the occasion. A Doa Mahfil was organized in this regard.