Bangalore

B.Tech in computer science will be a better choice than BCA. After that, you can pursue your Masters from any of the reputed universities abroad.

If you are asking for UG courses then the college does not provide any engineering courses in genetics. It has biology course in which one of the subjects is genetics. Check for a detailed list of courses at the link provided below:
https://www.shiksha.com/university/indian-institute-of-science-Bangalore-22350.

All the details are available on the website of NLSIU as well as CLAT. Closing rank is AIR 58-59 for general category students. There is no average cut-off score as such.

Top Information Technology Colleges in Bangalore are mentioned at the link provided below. The ranking is based on engineering ranking published by The Week. https://www.shiksha.com/b-tech/ranking/top-information-technology-colleges-in-bangalore/50-2-0-278-0.

There are over 12 Cabin Crew / Air Hostess colleges in Bangalore. Please refer to the link provided below for a detailed list of these colleges. You should be able to navigate to the top colleges on the list using the filters on the web page. Regards. https://www.shiksha.com/aviation/cabin-crew-air-hostess/colleges/colleges-bangalore.

Hi, I think, Amity University and Alliance University provide B.A. Course with foreign exchange programme in India.
Regards.

Hi,
Presidency University provide petroleum engineering in Bangalore. It is one of the good universities in Bangalore.
Regards.

If your family budget is low then you can apply for education loan. Nowadays, applying for education loan has become very easy and they don't take any interest from you during your study period as well as the next one year after college is over till you find a sound job for yourself. After getting a job you have to start paying your loan amount.