Hotel Management

Yes, of course, it is interest that defines whether it is a good decision or not. If you are interested, there is a lot of scope in hotel management studies across the world. Try the given below link to find the top 10 colleges offering courses in HM:
https://www.shiksha.com/top-10-hotel-management-colleges-in-india-article-10022-1

It depends on your interest. If you are interested to make your mark in hotel management then go for it, it is in demand and the same goes for travel and tourism. In this field you might get opportunities to travel a lot, whether in India or aboard, depending upon your performance. If you want to get a full-fledged management degree you may go for MBA, which is high in demand and is required in all the sectors.

Of course, you are eligible for taking hotel management course. You should maintain minimum 50% in class 12th for the same.

You may check FH Mnchen University and IUBH. Kindly, refer to this link though you have not mentioned if you are looking for Bachelors or Masters:
http://www.bachelorsportal.eu/study-options/268615991/hospitality-management-germany.html

You should go to Delhi. In India, there are 21 government colleges for hotel management. The number 1 college for hotel management is located in Delhi.

Yes, you can apply.

There are various courses available for hospitality industry. They range from 6 months to 2 years. You could have a certificate/Diploma/MBA programs.