Information Technology

You don't need to learn any language to learn JavaScript. JavaScript is a scripting language and is used in front end technology. Yes, you should have good idea about html and CSS.

BCA is more Job Oriented as compared to B.Sc in Geography honors.

The first point is that your point of interest towards subject. BCA and B.Sc in Geography both have scope. You may choose any of them.

Yes, you can pursue BCA PROVIDES specialization programme like cloud technology and information security, UI&UX and any more.

Dear Manish Sharma,
You can pursue Executive Diploma in Business Analytics from Loyola Institute of Business Administration (LIBA) along with TCS as an industry partner to offer this programme. Classes would be through class room, online sessions, lab work and a numerous applications and case discussions. The programme would be taught on Saturday and Sunday at LIBA campus, Chennai. Typically in a week end students would have to spend about five hours on Saturdays and three hours on Sundays. The classes will be held on Saturdays from 1.00 pm to 8.30 pm and Sundays from 9.00 am to 12.15 pm and 1.00 pm to 4.15 pm.

Please visit this college predictor this will help you to choose best for you
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
Hope this will help you
Thank you.

Yes, you can take BCA. You are eligible for the same.
Good luck.