M.Tech

It's better but first qualify GATE so that it would be better you to join in any government sector. Nowadays many government sectors are making GATE as the qualification for them. M.Tech is not that useful. Go with government jobs preparation.

Hello Kumar,
What perhaps you mean is the engineering course offered by your University. All engineering courses offered in India by any institute has to have AICTE approval. Not only PG in foreign shore, your very employment in India too is affected since it's an illegal degree.

Dear Vamsi,
As per the UGC guidelines, no college in India can offer engineering and medical courses through distance mode. Doing this is illegal. So, you ought to go for regular mode.

Yes, possible!
Since this is a PG level course, possessing an Undergraduate Degree is necessary to be able to pursue this course. One may pursue this course after completing UG programs like-B.E. /B.Tech. Marine Engineering, B.E. /B.Tech. Mechanical Engineering, B.E. /B.Tech. Electrical Engineering,

You will get seat through Counselling in B.Tech (CSE) - IDP course in JNTUH.
You may also get a seat in 4 year course, B.Tech (CSE) - Reg. Don't forget to give it a try.

These two fields are totally different from each other, so there is no point in comparing M.Tech and MBA. Both are specialized courses and have their own values. It only depends on your interest whether you would like to go for further studies or do you want to gain more knowledge while being on the

You can go for MBA as it will increase your opportunities in diverse fields.

There are over 7 Ph.D. in Engineering colleges in Bangalore Offering 41 Courses. Check the list of all Ph.D. in Engineering colleges/institutes in Bangalore listed on Shiksha at the link provided below:
https://www.shiksha.com/engineering/colleges/ph-d-colleges-Bangalore.