First Security Islami Bank Ltd. inaugurated 6 sub-branches on August 17, 2021 with a view to providing shariah based banking services to its clients. The Sub branches are- Pathrail Sub-branch, Tangail; Auliabad Sub-branch, Kalihati, Tangail; Gunagari Sub-branch, Banskhali, Chattogram; Satkania Sub-branch, Chattogram; Charia Bazar Sub-branch, Hathazari, Chattogram and Sharshadi Bazar Sub-branch, Feni. Mr. Syed Waseque Md Ali, Managing Director of the Bank inaugurated those sub-branches through Video Conference. Among others, Mr. Abdul Aziz, Additional Managing Director, Mr. Md. Zahurul Haque and Mr. 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.