First Security Islami Bank Ltd. inaugurated 3 sub-branches on 09 November 2022 with a view to providing shariah based banking services to its clients. The Sub branches are- Bosila Sub-branch at Mohammadpur, Dhaka, Sarkarhat Sub-branch, Hathazari, Chattogram and Shakpura Chowmuhani Sub Branch, Boalkhali, Chattogram. 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 officials were present in the occasion. A Doa Mahfil was organized in this regard.