Hospitality Management

Hi,
You need to check this with the college once. As what matters is the 12th standard marks.
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/course/diploma-in-hotel-management-and-catering-technology-indian-institute-of-hospitality-and-management-thane-west-thane-151038

The eligibility depends on the type of course that you wish to pursue, the details of some courses is stated below:
Diploma Class 10th pass from a recognised board with minimum 40% marks. Bachelors Degree: Class 10+2 examination with at least 50% marks. Post-graduation degree: Bachelors degree from a recognised university with at least 45% marks.

I agree with Ritesh and also advice for UEM Kolkata to pursue hospitality management for good career prospects.

Yes, you can, but I would suggest you to do a side course along with your graduation or after graduation.

Yes, if you get a good job you should probably think about earning in Euros or Pounds, gain some international exposure and probably come back to India after developing a really strong profile. Best of Luck.

FrankFinn is a professional institution that offers Air Hostess / Steward training. For aviation industry, you should possess the following qualities.
Patience
Be Good Listener
Be good Communicator
English Plus one more local language
These qualities will be assessed during admission counseling and then at the time of interviews.

Fee for B.Sc in hotel management at Ice College of Hotel Management is INR. 37,000 per year and total course fees will be INR. 1,11,000.

No college can guarantee 100% placements. Even though they advertise in such a way. Placements depend on your skills and knowledge. Your pay scale also depends on your skills. Companies do come for placements but it's up to the recruiter to select suitable candidates.