Is R.d sharma a book for competition or not?

R.D Sharma is a good book to clear your concepts and to build your fundamentals strong which is required to score good marks and you will able to solve trickier questions. It is recommended to start your preparation from R.D Sharma it comprises a lots of questions which is formula based and also some analytical problems. It is recommended book to prepare for Mathematics. R.D Sharma book is good for JEE Main but it is not enough to prepare for JEE Advanced. If you are using this book to prepare for JEE Main make sure you also solve previous year papers and mock test series. Below are the some recommended books for your preparation Physics Concepts of Physics Vol I and II by H.C. Verma Fundamentals of Physics by Halliday, Resnick & Walker Problems in General Physics by I.E. Irodov Mathematics Plane Trigonometry Part 1 by S.L. Loney Plane Co-ordinate Geometry by S.L. Loney Higher Algebra by Hall and Knight Problems in Calculus of One Variable by I.A. Maron Chemistry Physical Chemistry by O.P. Tandon Organic Chemistry by Paula Bruice Yurkanis Organic Chemistry by O.P. Tandon Chemistry XI & XII by NCERT All the Best for your Preparation!!