Mr. Rahman is a member of the Supreme Court Bar Association and Dhaka Bar Association. He has experience of intensive juniorship with Former Justice AFM Mesbahuddin who is one of the reputed lawyers of the Country and senior advocate of the Supreme Court of Bangladesh. He has extensive experience in commercial litigation, international trade, banking suits and cases, suits relating to real property, business fraud and government litigation. Mr. Zishan acquired expertise in drafting banking and commercial Deeds and Documents. He has got a good length of Criminal practice as well.