Science

First you need to do general engineering in any country where that course is available. In India, its not available. Then after getting a degree in general engineering, you need to do specialisation or Masters in sensor technology.
I hope this solves your query.
All the best.

Hi,
Yes, you can go for Hotel Management even if you don't have Maths background. Any graduate can go for Hotel Management.
For abroad, you need to give GMAT for Management line and English Proficiency test as well.
Best of luck.

For B.Ed, yes there is an entrance exam but for M.Sc, it depends on your graduation percentage and cut-off percentage.
I hope this helps.

Hi,
Any graduate can go for MBA.
No, you don't need to be essentially of Maths background to pursue MBA. Even a Bio or arts graduate can do MBA.
MBA is more of practical course than theoretical,. Yes, there are few subjects which require numerical skills such as Quantitative and Statistics.
Finance stream requires more of numeric skills as compared to HR and marketing.
I hope it helps.
Best of luck.

There will be statistics and calculus related papers for MBA such as Managerial Economics, Quantitative Methods and Research Methodology, but to do an MBA any graduation followed by clearance of management aptitude tests will make you eligible.

Yes, you can, but be assured about the course and check if the college is affiliated under good university.