Diploma

You cannot do two full time programs, you may do both through distance mode or one of them through distance mode other in full time mode. Also, you have to check the course level and eligibility.

Davinci Media College (Animation, VFX, Film Direction, Digital Cinema center of excellence). It is a best college in Chennai, you can go for it.

Yes, you can get admission in GLA University. The requirement in GLA University is 50% in 12th and the fees for the total course is 1.56 lakhs. For more details click the following link.
https://www.shiksha.com/engineering/course/diploma-in-automobile-engineering-gla-university-mathura-178528?showAllBranches=1&q=GLA+University&rf=searchwidget&landing=clp

Hi Pranith,
MIT is among the most selective schools in the world, you must be an extraordinarily bright student to be accepted by MIT. Very good grades in Diploma, SAT subject test, TOEFL, projects, extracurricular activities will be required. The more all-rounded your profile is the better the chances of them accepting you.

Hi, which country and what kind of courses are you interested in? Have you done some research on it yourself?

You can consider the following names as these colleges are decent for the same -
IIIT- Allahabad
National Law Institute University (NLIU), Bhopal
University of Madras, Chennai
St. Joseph's College
Good Luck!

https://www.shiksha.com/it-software/networking-hardware-security/colleges/cyber-security-colleges-india
Please go to the link, I am sharing here. You will get all idea about courses in cyber security here. Good luck.

Karnataka government exams are possible to write only if your a student in Karnataka state.

To pursue any Master's degree, be it a regular or in distance learning, you must hold a graduation degree (3 years). A Diploma is not enough to pursue Master's degree, you must get a Bachelor's degree first. Hope this helps.