MBA/PGDM

Hi Jyoti,
Here are the great tips along with books to prepare for MAT:
Solve sample question papers on mathematics: Sample question papers gives an idea about the topics, the standard expected, and the skills required. Practice and solve problems extensively. Apply conventional methods first, but as the material becomes familiar to you, start applying short-cuts to improve speed. Practice aptitude online from sites like Lofoya.com and Page on tcyonlin.com Memorise tables, common cube roots and square roots, conversions from percent to fraction, and vice-versa to enhance speed while maintaining accuracy.
Read different articles: The more you read different articles the more it will help in going through the comprehension section. It will help to acquire speed and precision, two key skills needed to do well in this section. Before you begin attempting, though, spend some time glancing at the questions in the comprehension section to get a feel for the critical areas of the passage.
Practice regularly: The sections on Data Analysis & Sufficiency and Intelligence & Critical Reasoning may be new to you. These are more tricky than difficult. Go through the sample papers carefully and makes notes of the quirks involved.
Improve your general awareness: The Indian and Global Environment section test your general awareness. Extensively follow the news dailies and magazines, watch news channels and browse the Internet to keep updated with the current affairs related to different national and international avenues. Solve as many papers as possible.
Enhance your speed and accuracy: First, solve papers subject-wise, maintaining stipulated time-limit. Thereafter, solve an entire model paper or a previous paper to see if you can finish in time. Although speed is an important aspect, accuracy is paramount. Extensive practice helps you achieve both.
Crash courses: Enrolling in a good institute for preparation of MAT is beneficial. The institutes help to get acquainted with the format of the exam and also conduct regular tests. Group discussions help to develop speaking prowess and also provides useful information. But more than anything else, the competitive atmosphere of an institute will motivate you to improve yourself.
Be confident: Nervousness can spoil your preparation. Be confident and stay calm and composed so that you can solve the paper efficiently.
All the best.