B.Sc

B.Sc. (Information Technology)
(a) A candidate for being eligible for admission to the degree course of Bachelor of Science-Information Technology, shall have passed XII standard examination of the Maharashtra Board of Higher Secondary Education or its equivalent with Mathematics and Statistics as on

The cut-off is not out yet.

You need to have Biology, Physics and Chemistry in your 10+2. You need not to have Maths. Yes, you are eligible for Biochemistry .

You need to clear the entrance exam set up by Banaras Hindu University.

B.Sc. Maths hons. is a Bachelor's degree in maths. If you are good in Science subjects particularly maths, then you will not find this subject hard, but interesting instead. If you are weak at maths, then it will be a little hard for you.

You should take subjects according to your knowledge and interest. You can take subjects in which you have good knowledge and also enough interest to learn things about the subjects.
Good luck.

The cut-off for this year (BHU B.Sc Ag) is going to be:
General- (205210)
OBC- (190200)
SC- (170185)
ST- (160170)
This year, questions were not that difficult. If you are a serious aspirant, then you must have easily scored around 200.
All the best.

If you meet the eligibility requirements of NCHMCT JEE exam, then you should go for it next year. Go to any CIHM/ SIHM near you and ask them about admission process. Be careful before joining any course in any university. You must check whether the said course is recognised by Government bodies like

Hi Rakshith,
I don't think ABBS (Acharya Bangalore B-School) has B.Sc. in Computer Science.
Anway, I am sharing a link, you can check by yourself - https://www.shiksha.com/college/acharya-Bangalore-b-school-magadi-road-26881/courses?ct[]=278&lo[]=1030
Hope this will help you.