Hi

Yes, you can definitely prepare without any coaching and score good as well provided you are dedicated towards your studies.

Follow the below tips:-

********* First of all go through its syllabus and examination pattern so that you can prepare accordingly.

Syllabus :- https://bschool.careers360.com/articles/cat-syllabus

Exam pattern:- https://bschool.careers360.com/articles/cat-exam-pattern

Your CAT examination has 3 sections :-

----------) VERBAL ABILITY AND READING COMPREHENSION ( VARC) :- Reading  is the key to score good marks in VARC, you need to go through newspapers, articles, journals, etc so that you can improve your reading skills. While reading note down the new words and write their meanings to improve your vocabulary. You need to practice questions based on comprehension, para jumbles and inference.

>>>> Best books for VARC

• Word Power made easy by Norman Lewis ( to improve your vocabulary)

• How to Prepare for Verbal Ability and Reading Comprehension for the CAT by Arun Sharma and Meenakshi Upadhyay

• Mastering the Verbal Ability for CAT by Ajay Singh

----------)DATA INTERPRETATION AND LOGICAL REASONING (DILR) :- You need to practice topics like blood relations ,seating arrangements, syllogisms,Propositions, etc to have a good hold on this section. Unlike maths, there's no formula in DILR so practice is the key, the more you practice, the better you get.

>>>> Best books for DILR :-

• How to Prepare for Data Interpretation for CAT by Arun Sharma

• Logical Reasoning and Data Interpretation for CAT by K. Sinha Nishit

----------)QUANTITATIVE ABILITY (QA) :- First clear your basics of maths,  you need to go through topics like profit and loss, geometry,  Arithmetic, number system, Time-Speed and Distance etc . Avoid the use of calculator so that you can do improve your calculation speed. For each topic, you can write down important fomulas and short tricks on a sheet of paper so that it's easy for you during revision.

>>>> Best best books you can follow for QA:-

• How to prepare for Quantitative Aptitude for the CAT by Arun Sharma

• Quantitative Aptitude for the CAT by Nishit K. Sinha

• Quantitative Aptitude Quantum by Sarvesh K Verma

********* Make a time table, give more time to the subject you are weak at , for example if you are weak at Quantitive ability then give it more time.

********* Plan your studies, and set daily, weekly and monthly goals and meet them without any fail.

*********Solve previous  year question papers of CAT :-it will let you know the examination pattern, type and difficulty level of questions, also concepts behind the question often gets repeated, so you should definitely solve year papers . You can get cat previous year question papers at https://bschool.careers360.com/articles/cat-question-papers

*********Once you are done with complete CAT syllabus then go through CAT mock test papers , it will let you know your preparation level and and weak areas so that you can work on them and perform well in your examination

For detailed information go through

https://bschool.careers360.com/articles/how-prepare-for-cat/amp

Thank you