MAT

Dear Aswani Kumar Sinha. Prefer TIME, or IMS coaching centres as they are famous for coaching.
All the best.

With 70 percentile marks, you will get into a decent college. But the placement scenario in such colleges will be at risk. There is only 50% chance that you will get placed. But in case you have to choose a college, go for the one with better infrastructure.

Some of the best books comprise:
Mission MBA guide by B.S. Sijwali and Tarun Goyal by Arihant
MAT entrance exam with practice CD by GKP
The Pearson MAT super course with CD by Pearson
Study package for MAT by Arun Sharma
10 challengers MAT: 10 mock tests for MAT by Dharmendra Mittal
MAT score accelerator by Disha publications
MAT solved papers by Disha experts
10 mock test papers for MAT by career launchers
Barrons guide for MAT by Eugene D.Jaffe
MAT Entrance guide by Deepak Aggarwal

You need to give SNAP to get into SIBM.

MAT exam is conducted 4 times in a year.

There are some good colleges, accepting MAT scores in/around Mumbai. Some of them are:
ITM Business School, Kharghar.
Institute of Business Studies and Research, CBD Belapur.
Thakur Institute of Management Studies and Research, Kandivali.
Thadomal Shahani Centre for Management, Bandra.
Durgadevi Saraf Institute of Management Studies, Malad.
Vivekanand Education Society's Institute of Management Studies and Research, Chembur.

No chance for admission now for 2016-18 batch.

This is the link where you can see all the colleges with rating and fee structure:
https://www.shiksha.com/mba/ranking/top-mba-colleges-mumbai-all-accepting-mat/2-0-0-10224-306.
Some college are listed below.

Dear Je dieu. the following information is useful to you to take good decision.
Bengal Institute of Business Studies (BIBS), Lake View Road, Kolkata
Globsyn Business School (GBS, Kolkata), Diamond Harbour Road, Kolkata
Swami Vivekananda Institute of Management and Computer Science, Sonarpur, Kolkata
International College of Financial Planning, Kolkata (ICOFP), Park Street, Kolkata
Netaji Subhash Engineering College (NSEC), Garia, Kolkata
International Institute of Business Studies (IIBS, Kolkata), Kamalgazi, Kolkata
Meghnad Saha Institute of Technology (MSIT Madurdaha), Uchhepota, Kolkata
are some of the best ones at Kolkata.all the best.

The JEMAT is an objective multiple choice test which consists of 3 sections namely English Language, Quantitative Aptitude and Logical Reasoning. The exam consists of 100 questions overall that will have to be completed in 120 minutes a.k.a 2 hours. There is a negative marking scheme of 0.25 marks for each wrong answer.