Complex sentence: BPS had an education wing called Bangladesh Photographic Institute BPI setup by its founder, Principal Dr. Shahidul Alam, which used to run a which is a 14 session basic photography course which included practical outdoor & darkroom works.
Split into simpler sentences: BPS had an education wing called the Bangladesh Photographic Institute (BPI) set up by its founder, Principal Dr. Shahidul Alam. It ran a 14 session basic photography course which included practical outdoor & darkroom works.