My name is Gaurav Yadav , I have done BSc from Mahatma Jyotiba Phule Rohilkhand University.i have experience of 4 years as a teacher, i teach Mathematics, Physics, Chemistry for class 1 to 10. i believe if you want to score well then you must know the core concepts of particular subject otherwise you just passing your time, it may be possible that a student can not get any concept in single chance but i believe to express every concept with real life example so that student can understand it + more - less