Jharkhand

Please use JEE Mains college predictor it will give you the list of college as per your rank/ marks/ percentile
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwic9v7Y_aziAhUXEnIKHbvZBmAQFjAAegQIBRAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H
Good luck.

You should have completed your class 12th with good percentage to get admission for BCA in this college.
Good luck.

Being a Graduate degree you can pursue, it in Chennai itself as many North Indian students are studying here and cost of Living is also cheaper to other states.

Hi,
Visit this link to check the colleges based upon your rank:
https://www.shiksha.com/b-tech/resources/upsee-college-predictor

No, there is no chance as 83% is very low. At least you need to have 95 plus for admission in Hansraj. Delhi University usually gave cutoff more than 95%. Year by year the cut off gets increased. It is one of the top colleges under DU so getting a seat in Hansraj is quite tough as most students dream of studying in Hansraj. Demand makes it quite tough.
Good Luck.

You can check their home site to get fee details.
Generally, it falls under INR. 35,000 - INR. 50,000.

https://www.shiksha.com/college/st-xavier-s-college/xavier-s-bms-entrance-exam-syllabus
Check The link to know about the syllabus and more. Good luck.

Yes, you can get admission for BA Economics, because Maths is not compulsory for Maths. Good luck.

Yes, you are eligible for this college. But, you have to score good in entrance exam.

Hi,
Yes, you can get admission in BIT Sindri for branches other than computer science engineering. You can get branches like information technology, electronics, metallurgy, civil etc. You should apply for this college at the time of counselling.
Best of luck.