Complex sentence: He is the brother of Riyaz Bhatkal aka Shah Riyaz Ahmad Mohammed Ismail Shahbandari, one of the Indian Mujahideen's three top commanders and is currently based in Karachi, Pakistan.
Split into simpler sentences: He is the brother of Riyaz Bhatkal aka Shah Riyaz Ahmad Mohammed Ismail Shahbandari. His brother Riyaz Bhatkal is one of the Indian Mujahideen's three top commanders and is currently based in Karachi, Pakistan.