Exam

Target for 99 percentile. Getting 100 percentile is like hitting the bull's eye and very few people get that score every year.
http://www.rediff.com/getahead/report/career-how-to-get-100-percentile-in-cat-2016/20161103.htm
Go to above link to get tips about getting 100 percentile.

IIT-Kharagpur, IIT-Roorkee, BITS-Pilani, IIT-BHU are some of the top colleges in India for EC. And you have to qualify JEE Mains and Advanced exam to get admission in these.

Yes, the MHT-CET exam is compulsory in order to pursue B.Tech from Maharashtra state. And, you have to face maths in biotechnology in the first year.

Hi,
You can choose any of these but before that, do take the mock test for both to see which areas are strong and where you need more preparation:
1. Mission MBA MAT (Arihant Books)
2. MAT (Management Aptitude Test) Entrance Exams with Practice CD (G K Publications Pvt. Ltd.)
3. The Pearson MAT Super

Yes, you will get a call. A good GD-PI will ensure the conversion of the same.

To prepare for NET in life sciences, go for Bioteknica, Brilliant Tutorials as these are some of the best I know. I would suggest you to google for institutes in your vicinity and study hard to clear it. There are no institutes, school or colleges as the best or worst as far as study is concerned. I

Hello Abhijit,
By now I hope you must be already studying in some college. Diploma is to be done based on the marks of class 10th. How much you score in HSC, CET and JEE Mains is immaterial.

Hello,
Firstly you should aim to score better in JEE Mains so that you become eligible for JEE Advanced. Then prepare well so that you are in the top 90+ percentile bracket.
Best wishes!