CAT

Hi, I would suggest that you try out the study material from IMS / TIME / Career Launcher as your first resource.
Some of the Books recommended for CAT are-
How to prepare for Data Interpretation for the CAT TMH / Arun Sharma
Pearson Guide to Quantitative Aptitude and Data Interpretation for CAT by Nishit Sinha
Quantum CAT by Sarvesh Verma

Hi, You can refer the below link for top 10 private business schools in India which accept CAT score:
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0

Getting calls from older IIMs is less possible. You may get calls from newer IIMs like IIM-Bodhgaya, Sambalpur, Jammu, Amritsar. You can better try the below IIM call predictor to get an idea -
https://www.shiksha.com/mba/resources/iim-call-predictor-result

A good score in CAT may enhance your chances of getting a call from IIMs. Your academic is pretty decent except 12th percentage. You need to score at least 97-98 percentile, to get calls from newer IIMS. For top IIMs (Bengaluru, Indore, Ahmedabad, Calcutta, Lucknow) will be a tough chance.

TIME is reputed organisation with the best outcomes and yes there is a branch for the same in Chennai.

You can choose college of Coimbatore and college of Delhi based on your CAT percentile. Thank you and good luck!

You want to do MBA in retail marketing then you have to give CAT, CMAT and SAT examination and if you clear it with a good percentile of above 75%, you will get the best colleges to pursue MBA. Good luck and thank you!

Greetings from BIM Trichy! You have good chances of getting a GD-PI call but conversion depends on your performance in your interview process and academic scores. All the best!