Colleges in Kerala

Yes, you can apply for Christ University, Bangalore and XIME, Bangalore and can also try in ITM Mumbai, PUMBA and BIMTECH, Noida.

Though any direct comparison is not possible for B Schools as each follows its own path of mission, vision, and values. However, the following link gives you a list of ranking for some colleges that can help you make a choice. Also, it is advisable to go through the curriculum of each of the colleges to get a broader idea of the academics that is being offered.
Please visit the following link:-
http://bimtech.ac.in/our-stories/bimtech-latest-ranking-in-nhrdn-people-matters-in-b-schools-2016/

You can try for XIME and you may get a call from them. You can also try for ITM – Mumbai, Christ University – Bangalore, Alliance University - Bangalore and Balaji Institutes - Pune.

Yes it accepts all MAT scores

You can check the below mentioned link:
https://engineering.shiksha.com/me-mtech-in-kerala-categorypage-2-59-1-0-0-1-107-2-0-none-1-0

Below mentioned are some of the top colleges offering aviation in Kerala:
1. Frankfinn.
2. Avalon.
3. KIIT.
4. Skywings Academy.
5. Aimfill International, etc.

You should get more than 75%.

Hi Nallathambi Gunasekhar,
To get admission in top IIMs, you need to score 95- to 100 percentile. You can achieve this with the extensive practice of old papers.
All the best.