M.Tech

Totally depends what you're good at, if you're good at business stuff, if you like that feild, go for it. If you want to be an engineer, do M.Tech.

Do MBA, if you want to enter business, and if you are purely technical student, then better to go for M.Tech, because M.Tech has a very good scope too. So, it depends on your purpose.

1. Bachelor's degree in Engineering/Technology or Master's degree in Science or equivalent with a valid GATE score.
2. B.Tech from an IIT with CPI/CGPA of 8.0 or more. These are the two steps that you should follow to get admission.

M.Tech and MBA are two different fields, you first decide whether you want to go for technical background or business background. If you love studying your technical then go for M.Tech, otherwise MBA if your mind is towards business or even if money is a matter. For M.Tech, you have to clear GATE exam and for MBA you need to give CAT and comparatively CAT is easier than GATE, but as the trends are changing more people are tending towards CAT than GATE.
However, there are some colleges in India which give admission without appearing for GATE and CAT exams.

No, AICTE doesn't approve distance courses in engineering and technology. Regards.

If I am not wrong, you are talking about iisc Bangalore and NTU Chhattisgarh. M.Tech is there in iisc and MCA is at NTU. For these two college and courses here is the comparison link. It will help you a lot:
https://www.shiksha.com/resources/college-comparison-87947-23552.

If you are good with your technical then you should definitely go for M.Tech, but if you want to change your stream and you are good with your communication skills then MBA is also a good option. As the job opportunities will be good for MBA in coming years if you pursue it from a reputed institute.

Hi,
Here is the eligibility criteria:
a. Pass with a recognized Bachelor's degree or equivalent in the relevant field and obtained at least 50% (45 % in the case of candidates belonging to reserved category) in the qualifying degree examination.
(i) BE/B.Tech/B.Arch
(or)(ii) B.Pharm(or)(iii) Master's Degree in the relevant branch of Science / Arts, which are prescribed.
b. (i) 10+2+AMIE(or)
(ii) 10+3 years diploma (awarded by the State Board of Technical Education) + AMIE.

Please visit link
https://www-shiksha-com.cdn.ampproject.org/v/s/www.shiksha.com/university/birla-institute-of-technology-and-science/amp/bits-hd-exam?amp_js_v=a2&_gsa=1&usqp=mq331AQECAFYAQ=#referrer=https://www.google.com&_tf=From %1$s&share=https://www.shiksha.com/university/birla-institute-of-technology-and-science/bits-hd-exam.

Distance course in technical subject has been under restrains lately by AICTE. I suggest you go for full time campus study as aftermath is not too colourful compared to full time. Moreover distance courses as such in technical subjects already provide hinderence in study.