CAT

With your scores, you need to perform exceedingly well in CAT. You need to score 99+ percentile over all and 95+ percentile in the sections individually.

No, practically it's not possible. But if you really want to clear CAT then you have to learn the basics of maths.

It's a profile based selection. Entrance score of minimum around 80ish percentile with good academics and other factors like work experience, extra curricular give you a good chance of getting a call.

You are eligible to apply for admission in MBA as you have more then 50% marks in graduation degree. All the best!

Hello Naman! After filling up the CAT form, one needs to fill the application forms of particular colleges individually. For this, one has to regularly check for any updates/important dates about the same from their official websites. Generally, the form-filling instructions are specified by the college officials for convenience.

You must know that self study is a better way of learning because you have to do it. You have no option. Keep this thought apart. You can do it, just go on. All the best for your near future.

Common Entrance Test or CAT analyses the skills of the aspirant in four sections: Quantitative Aptitude, Verbal Ability, Logical & Analytical Reasoning and Data Interpretation. It is also a test of time management. Refer following link for further details:
https://www.shiksha.com/mba/exams/cat/syllabus

September, 20 is the last date to apply for it.