Information Technology

These are two different birds from completely different continents. You cant compare these courses, if you are from a technical background interested in further studies in computers than go for MCA. But, if you are looking to diversify your profile better do MBA. MBA will get you a job in business domain unlike MCA which opens opportunities mainly in research and academic areas.
All the best!

The fees is around INR 25k. You will have to pay mess fees which depends on what type of mess you choose. Special mess costs INR 60k and North Indian veg mess cost INR 20k.

Mechatronics becomes more multidisciplinary and robotics unifying subject. You can go to robotics arena with mechatroics master without restriction but reverse is not always true. As for colleges I see its already answered.

MCA has varied prospects in its own field of Computer applications just like any other degrees or Masters in their own arena. Thing depends on specificity of your strengths.

As per NCTE norms, regular teachers working in primary, middle, secondary or higher secondary schools in Tamil Nadu, recognised by State / Central government, with a minimum of two-years teaching experience are only eligible for admission into Annamalai University distance education B.Ed course.

Yes, NIMCET is a country level exam for admission into MCA course.
Good luck.

You must have to appeared for CMAT examination conducted by AICTE and shall have passed the qualifying examination (graduation) with minimum 50 % (45 % for SC/ST/SEBC) for admission in this college.
Good Luck.

Obviously, NITs are at first priority, but not all NITs are good. NIT Trichy, Warangel, Rourkela are the best then BIT Mesra, University of Pune are in the list. Good luck.

B.Sc. IT and Computer Science has much more scope than hardware networking and animation. Do B.Sc. IT/CS and if interested in hardware than do hardware related certifications along with it. If interested in animation then do animation course along with B.Sc. IT/CS.