M.S

TU Braunschweig, Brandenburg University of Technology Cottbus-Senftenberg, RWTH Aachen and Karlsruhe University of Applied Sciences are some of the well known names.

Hi,
Kindly check this on the DAAD wesbite, it should help.
https://goo.gl/jkIXRV

Hi,
The TU9 universities could be the best possible option and they are the leading universities. You can check:
1. RWTH Aachen.
2. TU Berlin.
3. TU Munich.
4. University Stuttgart.
You will find more here on the DAAD website:
https://goo.gl/7T61yD

Hi Ajinkya,
You did not mention the subject, please do so to provide better guidance. You can also refer to QS ranking and check the European university rankings. Oxford, Cambridge, Imperial College, Robert Gordon, etc., are top ranked universities.

Kindly refer to the links mentioned below:
http://www.ed.ac.uk/studying/postgraduate/degrees?id=107&r=site/view
http://www.ed.ac.uk/studying/international/postgraduate-entry/asia/india
Details can be found on the university website.

MBA after MBBS is preferable career options for those doctors who want to be in the field of hospital administrator and do not want to have active medical practice. Doctors with MD and MS can earner better in comparison to hospital administrators in long run.

US, Canada, Australia and Germany are amongst the best. However, finding a job in Germany is difficult. Finding jobs in Canada and Australia is comparatively easier. Go to US if you want to move to research field post MS. But, if you plan to get a job after MS then consider Canada or Australia. Also, for job you might want to try Masters in engineering.

You need to appear only in GRE and IELTS for the same.

It depends on your skills but older IITs are better like IIT-B, IIT-D, IIT-KGP, IIT-K, etc.