After 12th, with your interest in travelling, you can pursue courses in:

• Travel and Tourism
• Air Travel Management
• Hospitality
• Aviation Hospitality
• Tourist guide
• Airfare and Ticketing

You can pursue BA, BBA, Bsc and even Bcom in the above mentioned specializations as it depends upon your interest as well.

The eligibility may vary course-course and institute wise.

In  some colleges there can be entrances for the same and others might take through merit and an interview. There are diploma and certificate courses as well.

You can take professional training further to get the real time experience and to enhance your expertise.

Good Luck.