Accounting

Yes, you can. You would have applied for state entrance examination before. But since you had not gone for any test, you can apply for particular colleges, as some college provide direct admission.

Hello Surendhar,
You may refer the link below for the colleges offering MBA in finance and accounting in Chennai:
https://www.shiksha.com/mba/colleges/mba-in-finance-colleges-chennai
The link below gives the top MBA colleges in Chennai:
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-chennai/2-2-0-64-0

Each subject that you have mentioned above are good as well, but we don't know what is in your mind,
we might say that choose Accounting but in your mind you prepare Economics, All you have to do is to choose the best one that your heart bear with, the one that you are interested in. All the best.

For computer engineering, PICT, VIT, COEP, VJTI are some of the top-notch colleges and for mechanical engineering, COEP, VJTI and Walchand are some of the best colleges.

After your last year, you can pursue for your future education like you can do Masters after doing Masters, you can take a PhD. Also, you can do PGDM.

First of all, for giving CPT, you should prepare for CPT subjects like maths accounting economics law according to new syllabus Institute had introduced English also in this all subjects you should get more than 40% in all subjects and your aggregate should be more than 50% study well for CPT and after CPT prepare for IPCC.

After completing graduation, you can do short-term diploma like Diploma in taxation, Diploma in finance and accounting, etc. These all Diploma for 1 years which will help you for your future education.