It was a pretty tiring day with teaching and research all going in one day…Added to that, the new class that I am teaching are freshmen …. Keeping their attention for 100 minutes on “calculus " is a challenge and obviously as in any class, the class comprises characters of all types !!! Inspite of teaching for over an year, this new class is a big challenge…Perhaps, that’s what makes people stick to acads in the sense that every year ,every batch is a new animal.!!!