Professor Dr.asif Nazrul - Master Of All Topics.is He???

Dr. Asif Nazrul - Professor of Law at Dhaka University Is he Really Master of All Topics!?!Some days back i was watching a talk show where he was talking about "Tista Pani Bonton Chukti".He was telling about the matter so confidently that he is the boss of this and he is an expert of this.I was also getting impressed by his confidence.