Complex sentence: Practically, never seen without his Jinnah cap, he is the most vocal, and most honest and hardworking of the students and often misinterprets the English for a comical sense, but has a very fair command of it.
Split into simpler sentences: Practically, never seen without his Jinnah cap, he is the most vocal, and most honest, and hardworking of the students. He often misinterprets the English for a comical sense, but has a very fair command of it.