Colleges in Tamil Nadu

As far as universities are concerned, the criterion are:
1] The recognition.
2] The quality of delivery [which is measured by the level of placements.
On above criterion, VIT stands first, then comes Manipal University & SRM. Today, the admission is also tough at VIT, because of its significant growth

Vellore and Chennai Campus students enjoy equal privileges as far as placements are considered. While most of the students (including CSE) are placed in IT majors like Accenture Cognizant Infosys etc. with a salary package of INR 3.5-4 lakhs on an average, but a good number of students are placed in

VIT B.Arch Admission 2018 will be done on the basis of the NATA exam. The architecture course would be of 5 years at Vellore Institute of Technology, Vellore Campus only. National Aptitude Test in Architecture NATA is a national level examination to select the candidates for admission to the B.Arch

Well, you missed the exam, you don't have good marks in JEE and then, you don't even want to pay much.
All three cannot go together. I don't know exactly as to how much you'll have to pay for the branch that you desire. But, I am sure that you will have to pay significant amount, with the highest for

VIT invites applications for admission to the MBA programme offered by the university. The MBA programme at VIT is offered at VITSB and consists of six trimesters. Students can choose a range of elective subjects from areas such as
Finance Marketing
Human Resources
Information Technology and Systems
Int

If you have financial constraint, then you need to get in touch with the college for any kind of scholarship if they offer, follow the link below for other details:
https://www.shiksha.com/b-tech/course/b-e-in-computer-science-and-engineering-st-mother-theresa-engineering-college-mtec-thoothukudi-ta

95% marks is required in CMAT for this campus, but your academic record is good, so there are 50-50 chances.

Yes, they will surely call you, because your academic record is good.