Hello Aspirant,

The most popular publishers or authors you may refer for MAT exam are Arun Sharma  Nishit Sinha, Arihant publishers, Disha experts,R.S Agarwal etc

Though all in one books containing all the sections and sample papers is a good choice , a section-wise preparation might be more effective. Below are some MAT practice books containing everything:

Face to Face MAT 22 years Solved Papers-Arihant Publications

( Solving past year papers with set time limits will be very helpful in attaining speed and accuracy)

Complete Guide for MAT & Other MBA Entrance Exams with GK & Current Update eBooks- Disha Experts

Mission MBA MAT Mock Tests & Solved Papers-B.S.Sijwali

Study Package for Management Aptitude Test-Arun Sharma

MAT (Management Aptitude Test) Entrance Exam Guide-R. Gupta

MAT 20 Years Topic-Wise Solved Papers-Deepak Aggarwal


In case you want to focus on section wise preparation then :

Best Books for Data Analysis & Sufficiency:

Data Interpretation & Data Sufficiency by Ananta Ashisha

How to Prepare for Data Interpretation by Arun Sharma

Best Books for Language Comprehension :

Verbal Ability & Comprehension by Disha Publication

Verbal Ability and Reading Comprehension by Nishit K. Sinha

Word Power Made Easy by Norman Lewis

Best Books for Mathematical Skills :

The Pearson Guide to Quantitative Aptitude by Dinesh Khattar

How to Prepare for Quantitative Aptitude by Arun Sharma

Best Books for Intelligence & Critical Reasoning :

A Modern Approach to Logical Reasoning by R.S. Aggarwal

Data Interpretation & Logical Reasoning by Gajendra Kumar

Best Books for Indian & Global Environment:

Manorama Year Book by Mammen Mathew

The Mega Yearbook by Disha Experts

Apart from these , read newspapers such as The Hindu and Economic times as well .

https://www.google.com/url?sa=t&source=web&rct=j&url=https://bschool.careers360.com/articles/mat-exam-pattern/amp&ved=2ahUKEwico6uW6onuAhW9yzgGHdE6D1YQFjARegQIHBAB&usg=AOvVaw2htX6tMgishaU5oL-BIHz_&ampcf=1

https://www.google.com/url?sa=t&source=web&rct=j&url=https://bschool.careers360.com/download/sample-papers/mat-sample-paper&ved=2ahUKEwico6uW6onuAhW9yzgGHdE6D1YQFjATegQIGhAB&usg=AOvVaw1u0PpaBnETZArvdlBBCg9N

https://www.google.com/url?sa=t&source=web&rct=j&url=https://learn.careers360.com/test-series-mat-free-mock-test/&ved=2ahUKEwico6uW6onuAhW9yzgGHdE6D1YQFjAUegQIGxAB&usg=AOvVaw04iIzuF4L76H5ABv_Eysx7

https://www.google.com/url?sa=t&source=web&rct=j&url=https://bschool.careers360.com/download/ebooks/mat-september-preparation-guide&ved=2ahUKEwjF7LG-6onuAhWQyzgGHSOiAeQQFjAAegQIARAB&usg=AOvVaw1kv-9BCvKR3f-Ig9BDnIOf

These are some helpful links like mock tests and ebooks for MAT ,do check them out .

Hope it helps

All the best