CAT Preparation

Its an amazing college. Only if you are ready to study for 12hrs a day, not on weekends.

Yes you can, there are online coaching available so look for classes from Byju's, Mbaguru etc.

You may go for CAT using Career Launcher's study material, and appear its test series too.
it is much good enough.

Career launcher's study material are good enough for CAT preparation and its test series for practice too.

Don't go for coachings they loot you without anything self study is best buy the online and offline materials of course as they are helpful.
Start solving English aptitude
Think about data interpretation
Try and solve them
For Quant I suggest solve the entire 10th syllabus and and don't mug up tricks but try to derive them on your own
Aur haa for logical get arihant and s chand
Stay blessed

With closed eyes, go for TIME. It is the best Management Entrance preparation institute in India. Best of luck !