Best book for jee advance 2021 ?? suggest me quick please.

• NCERT Textbooks
• Concepts of Physics Vol I and II by H.C. Verma (Highly Recommended)
• Fundamentals of Physics by Halliday, Resnick & Walker
• Problems in General Physics by I.E. Irodov
• IIT Physics by D.C. Pandey
• Problems in Physics by S.S. Krotov

• NCERT Textbooks
• Organic Chemistry O. P. Tandon
• Organic Chemistry Peter Sykes
• Organic Chemistry M. S. Chauhan
• Organic Chemistry Morrison and Boyd (This book covers a lot of topics with extensive detail. Make sure you highlight what is important before you proceed if you have a time constraint)
• Physical Chemistry O. P. Tandon
• Modern Approach to Chemical Calculations R. C. Mukherjee (for practice)

• Maths XI & XII by R.D. Sharma
• Objective Mathematics for JEE Main & Advanced and Other Engineering Entrance Examinations by R.D. Sharma
• Trigonometry & Geometry: Plane Trigonometry Part 1 by S.L. Loney
• Co-ordinate Geometry: Plane Co-ordinate Geometry by S.L. Loney
• Algebra: Higher Algebra by Hall and Knight
• Calculus: Problems in Calculus of One Variable by I.A. Maron
• Differential Calculus by A. Das Gupta.
• Course in Mathematics for IIT-JEE by Tata McGraw-Hill publications. [practice]

Best books for JEE Advanced

• Concepts of Physics Vol I and II by H.C. Verma
• IIT Physics by D.C. Pandey
• Organic Chemistry by O. P. Tandon
• Physical Chemistry by O. P. Tandon
• Concise Inorganic Chemistry by J. D. Lee
• Maths XI & XII by R.D. Sharma
• Advanced Problems in Mathematics for JEE (Main & Advanced) by Vikas Gupta & Pankaj Joshi