Excellent. There is no technical issue while playing lectures. Content wise, clarity everything is excellent. As far as Shubhamm Sir’s teaching is concerned no doubt he is excellent teacher in terms of his teaching skills, his dedication toward teaching profession, concerns about students issues, conceptual clarity everything is excellent. Shubhamm Sir just not teach in addition gives life lessons; which are beneficial to the students for lifetime. He better knows what can be students problems before asking he clarifies it may be related ti CS syllabus or personal.