BBA

You can choose anything relating to Marketing, Finance, HR, Operations, Travel, Tourism or whichever interests you more and where you feel you can excel in the career.

It is not recommended, neither is AICTE approved. Go for top 50 B-Schools only:
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0&ved=0ahUKEwjTh_npjffSAhWBrY8KHfWiCMMQFggZMAA&usg=AFQjCNFKkT91_jHWrrwKNjzU1LT3BjPVZQ&sig2=mKFj6ptHowsnAaAbll-zJA.

Yes, you can take up BBA. For top colleges, check below for placements and eligibility. https://www.shiksha.com/bba/articles/top-10-bba-colleges-in-india-blogId-7797.

Mumbai is the best and Bangalore is the second best. Have a look:
https://www.shiksha.com/bba/course/b-b-a-nmims-anil-surendra-modi-school-of-commerce-vile-parle-west-Mumbai-130133.

For more details, kindly visit the link mentioned below:
https://www.shiksha.com/bba/colleges/bba-colleges-Haryana?rf=filters&ts=1921180&st[]=105&sp[]=513&sp[]=20&uaf[]=location.

Both are equivalent. The placements are majorly integrated for all batches and specialisation. All the best.

The fee structure for BBA course at the Maharaja Agrasen Institute of Management Studies is approximately Rs.34, 000 to Rs.45, 000.

You can check the below mentioned link:
https://www.shiksha.com/bba/course/bba-in-international-business-mit-som-college-kothrud-Pune-252591.

Chances are moderate, try for the below mentioned colleges:
https://www.shiksha.com/bba/colleges/bba-colleges-Delhi?rf=filters&ts=2018813&ct[]=74&co[]=Public&uaf[]=location.

You will have to study a lot, around 10-12 hours a day if you actually want to have a decent shot at clearing the exam.
1) Divide your time between the 4 sections equally.
2) Do a lot of reading from TOI/HT and ET for GA. Also review basic Science and social Science (ex which president signed emergency? )
3) For English do comprehensions and grammatical problems
4) LR and QA do a lot of practise questions in different subsections.