Concepts of Physics Part 1 is a well-known book by Dr. HC Verma. The book is meant for students in class 11. It covers mechanics, waves and oscillations, and optics. The book has ISBN 978-8177091878 and published by Bharati Bhawan. It is available in bookshops or you can Buy at Amazon or Flipkart.
The book is the bible for JEE and NEET aspirants. It is reviewed thousands of times on Amazon and Flipkart. The average rating on Amazon is 4.6 out of 5 (from 977 reviews).
The book is very good. The strength of the book lies in the clear explanation of concepts, and problems of varied range of difficulty. I got the book in time.
The book is easily available in bookshops. You can buy online from Amazon or Flipkart.