Hii Sanujit.... I would suggest u to go with OP tandon organic from day 1. it would be helpful... Regards

The best book for organic chemistry preparation for IIT JEE is "Organic Chemistry" by Morrison and Boyd. This book is highly recommended by experts and has been a popular choice among IIT JEE aspirants for many years. Here are the reasons why it is considered the best book for organic chemistry preparation:

Comprehensive Coverage:
- Morrison and Boyd cover all the essential topics of organic chemistry required for the IIT JEE syllabus. The book is divided into different chapters, each focusing on a specific topic, ensuring a comprehensive understanding of the subject.

Conceptual Clarity:
- The authors explain the concepts in a clear and concise manner, making it easier for students to understand and grasp the fundamentals. The book provides detailed explanations, examples, and illustrations to enhance conceptual clarity.

Problem-solving Approach:
- The book includes a wide range of practice problems, including multiple-choice questions, numerical problems, and reasoning-based questions. These problems are designed to develop problem-solving skills and familiarize students with the types of questions asked in the IIT JEE exam.

Advanced Level Questions:
- Apart from covering the basics, the book also includes advanced-level problems that challenge the students and help them develop a deeper understanding of the subject. These questions are particularly helpful for students who aim to excel in the IIT JEE exam.

Previous Year Questions:
- The book also includes previous year questions from the IIT JEE exam, allowing students to get familiar with the exam pattern and the types of questions asked. Solving these questions helps students gauge their preparation level and identify areas that need improvement.

Supplemental Material:
- The book provides additional resources such as reaction mechanisms, tables, and charts, which are useful for quick revision and reference. These supplemental materials aid in better understanding and retention of the concepts.

Availability:
- "Organic Chemistry" by Morrison and Boyd is readily available in bookstores and online platforms such as EduRev. It is a widely used reference book by students preparing for IIT JEE, making it easy to find study materials, solutions, and additional resources related to the book.

In conclusion, "Organic Chemistry" by Morrison and Boyd is considered the best book for organic chemistry preparation for IIT JEE due to its comprehensive coverage, conceptual clarity, problem-solving approach, advanced level questions, inclusion of previous year questions, supplemental material, and easy availability.