Accounting & Commerce

Yes dear, there are chances that you might get admission. All the best

To get admission in a good university in the US, you should have a good score in TOEFL and your Bachelor's degree without any backlogs or supplementary exams.

Please use the college predictor tool by Shiksha. This will help you to predict the college according to your rank/percentile:
https://www.shiksha.com/college-predictor

I would not say that having maths in +2 is compulsory for attempting CAT. I would rate maths in CAT as a bit advanced version of what you have learned till 10th. If you are aiming for the top colleges, then yes it would be a problem. But for colleges that ask for cutoffs in the range of 50-70, then maths wouldn't be a problem. Even performing average in maths could possibly get you to that score. But ensure that you are able to ace all other sections. If you want to get good score, I suggest you attend a few coaching classes. Brush up on the basics and practice hard.

No, you will not get admission for B.Com. This is because you have not cleared your qualifying exam. You have to secure a certificate stating that you have cleared all your subjects in the qualifying exam conducted by the respective board.

No, you can't do MCA. You have to pass BCA to take admission in MCA.

Yes, according to me, you should go for IIIT and not for IIT as CS has more scope than mechanical and the college doesn't matter in comparison to branch, what will be the benefit if you get a job in mechanical and not get promotion due to its very less scope.

Yes, possibly you will be able to get B.Sc (Hons) in CS.

You have not mentioned the name of the college in which you are seeking admission as all the colleges have different eligibility criteria for admission in B.Com.

Yes, you can take that if your percentage becomes high.