Sudhanshu Kumar sir's approach towards the subject is truly focused, systematic and comprehensive. His utmost competency in Chemistry is such that he has an ocean full of chemical equations to elaborate on each topic, thereby getting him the title of ‘Chemistry Guru’ by the students. While going through his session, one can get the most diverse illustrations to understand the topic. He is an absolute support when it comes to solving our concerns and doubts. He is very much approachable and ensures immense comfort level for all the students in the class.