Colleges in Chennai

No, for getting Anna University, you have to be a domicile of Tamil Nadu or your parents. If you are not a domicile of Tamil Nadu, you must have done your +2 from Tamil Nadu. Tamil Nadu doesn’t have any state entrance exam admission is given on the basis of +2 marks.

The Government of Tamil Nadu established the Anna University of Technology on 4 September 1978 through Tamil Nadu Act 30 of 1978. The new university was formed from the erstwhile University of Madras faculty of engineering and technology and consisted of four institutes: Madras Institute of Technolo

Hello Shilajit,
It is difficult to get a seat at Anna University with a score of 70 to 80 %. Since it is a reputed institution you need to have a score of more than 90% in your 12th class.

Answer is here.
Anna University organizes an entrance exam for admission in master courses.
One must be a graduate in order to apply for M.Sc Program while for M.Phil. Program admissions, post graduates in the related field of interest may apply. You may refer to the complete eligibility criteria for

Yes, you can give any of CAT/XAT/GMAT/CMAT for taking admission to Great Lakes Institute of Management.

Yes, you can get, but for the good college, you have to wait till the spot round or the last round of counselling.

Please do check this Shiksha review:
https://www.shiksha.com/university/srm-institute-of-science-and-technology-Chennai-kattankulathur-campus-24749/reviews.

No, you can't, as you did not qualify JEE mains, you should try to crack TNEA.