Masters

You could check the websites of NID and IIT-IDC. If your UG is of 4 years then you will be eligible for it. You may check www.designinindia.net for other options.

USA universities have minor edge over German Universities for MS in Instrumentation and Electronics. But to get work visa in USA is difficult. Cost of Education in USA is very high whereas there is nominal fee in German universities. On the basis of Return on Investment, MS in Germany is a better op

Full time MBA is a superior option for career growth. If you do not have any personal constraints or financial requirements to remain in the job, then you are advised to do full time MBA over E-MBA.

In Delhi it is DTU. It is the 2nd good college after IIT, Delhi to pursue Masters from mechanical. There are so many facilities in DTU like good infrastructure, faculties, workshops, research facilities, labs, big campus and canteen.
I would suggest Jamia after DTU.

Indian Institute of Foreign Trade, Delhi
Amity University, Gurgaon
Brij Mohan Institute of Management & Technology (BIMT), Haryana
Manav Rachna University, Faridabad
JK Business School, Gurgaon
GNIOT Group of Institutions