B.Tech Counselling

It is based on your grade point average and admission exam results. It is completely open for you to choose any stream that interests you, given that you are intelligent and have a variety of options. For such gifted students, the job chances are the same (who get to choose disciplines rather than allotted)
If you are a student in a respectable institution and are above average, Mech/Elec/E&C/E&I/Chem are all good options. Given the current infrastructural binge in the nation, even peaceful discourse is preferable.

Hi, You can visit this link for an understanding on the colleges that you might get with this score. https://www.shiksha.com/university/university-of-Mumbai-856/cutoff-jee-main
You can simply search for the college of your choice and check its cutoff.

You can check out the following for more information - https://www.shiksha.com/university/j-c-bose-university-of-science-and-technology-ymca-faridabad-21570.

No not at all possible.

Yes, you have to pay the fees and report to college otherwise you will not be eligible for further rounds of counseling.

Hello Yogeshwar Shinde, after the end of second round of centralised admission process, the colleges have been asked to display vacancies on their website. Also in addition, the admissions henceforth will be college based and not centralised. Best wishes to you.

Hello Mahendra, admissions to engineering colleges in Tamilnadu are almost totally reserved for native candidates. Of course private engineering colleges and deemed to be universities can give admissions under management quota. To help you I am attaching a link that will give you details of eligibility for admission. Even though it's of last year, you can still refer to it and find conclusions.
https://www.shiksha.com/b-tech/articles/tnea-eligibility-criteria-blogId-21767
Best wishes to you.

According to my knowledge there is no specialisation of IT in ST. JOSEPH COLLEGE. First you should confirm about the same.