Anna University

Hello Vamsi, The tuition fees per year would be around 10k-20k Rupees and you may pay additionally if you require hostels (if you come under government quota). For industrial and other admissions, the fee structure may be a little higher.
The average package for a CSE student would be 6-8 Lacs per annum.

Each institute has its own advantages and disadvantages. Please evaluate the institutes under your consideration from the perspectives of admission criteria and cut-offs being followed, faculty profile, alumni discussions and placement record. Do not judge by social media and limited impressions of few resources. Please do a comprehensive review.

It involves a lot of procedure which might take a long time to get over. So, changing universities might be a little too hectic or maybe impossible.

The cut offs for the current year cannot be predicted, these are released only once the counselling is over. The cut offs are based on the number of seats and the number of B.Arch Colleges. However, you can make certain predictions as to what college you can get by comparing your cut off with the cut offs of various colleges from previous years.
The necessary criteria is to get at least 80 on 200 in your NATA exam and the rest 200 is based on the average of PCM (Physics, Chemistry and Maths). So your final cut off would be out of 400.

It's for software or any other engineer, salary not depends upon your qualifications, that comes with your skills developed during work.
A PG in management surely works after 8-10 years experience to promote management positions.
Courses like MBA and system works more for you.