BBA

Bangalore focuses heavily on class 10th and class 12th and graduation score, but you should try to get high score.

Don't leave BBA. Instead, complete the course and then pursue MBA in travel and tourism.

Yes, you can get admission, but some university make her criteria to be eligible for admission.

You should score maximum percentage in class 12th board, so it may help you for scholarship by Indian University or by the Indian government or by caste. You should join IELTS classes, and then appear for IELTS exam. It is of 10 marks, or you can say 10 band. You have to score more than 6.5 bands, or it is as per the country has decided you have scored above it. And, others detail will be explain neatly by the IELTS teacher. Thank you.

Hi, You can refer https://www.shiksha.com/bba/articles/your-career-after-studying-aviation-blogId-4628.

If you have the time, and if you are highly confident that you will get into Iims, you can pursue BBA and later get some work experience and finally write CAT to get into IIM. If you don't think, this is all going to work, just go with it.

BBA and BBM are almost equivalent with very few difference, rest Opt for course that you love the most and are most passionate about and analyze the future work conditions, scope and growth prospects before taking admission.
You can also opt for psychometric test comprising of Aptitude, personality and career interest to clear confusion.

After BBA people generally opt for MBA or MS, but you can opt for other specialised professional courses or can prepare for jobs and get some practical exposure of the industry before you join MBA. However, if you don't want to opt for further studies, you can look for jobs, or can do B.Ed.