Heyy there!! It's Gokul from Hindu college(University of Delhi).I'm currently pursuing B.Sc. Physics Hons. I'm in 2nd year. I'm selling books in a very cheap rate. If you want any book you can DM me. I will give you it a very cheap price. The books are like brand new or in a good conditon. Every book will be available at my store.COD is available so you don't need go worry about money