By training Kamrul is a researcher in the field of international law. He has been working on a diverse range of Arctic issues for almost a decade. The main focus of his research currently lies in international environmental law that applies to the Arctic as well as in human rights law, in particular, concerning the rights of the indigenous peoples, again with a focus on the Arctic.

Over the years Kamrul has extensively published in all areas of Arctic governance (climate change; marine environment, maritime de-limitation and law of the sea; human activities in the Arctic such as shipping and resource extractions including mining and, onshore and offshore oil and gas developments; marine bio-diversity conservation; and human rights and human security dimensions applicable to the Arctic) highlighting legal, institutional and policy perspectives.