Accounting & Commerce

Yes, B.Sc in hospitality can be pursued. But, the question is why you want to pursue it after third year B.Com.
If you are already in third year B.Com, then go for M.Com or MBA. If hospitality is something which you are fascinated about, then do some small courses in hospitality or hotel management

Yes, you would be eligible for the course. The candidate is expected to have knowledge of Mathematics up to 10+2.
Candidates need to appear for the Entrance Test conducted by the University.
JNUEEE is the exam that is conducted for admission.
Details of the exam are as mentioned:
https://www.shiksha.com

Yes, you can pursue the same together. Almost all the subjects in your B.Com will be covered by CS.

Either you can opt for School of Open Learning, University of Delhi or enroll yourself in IGNOU if you wish to pursue CA along with your Bachelors.

B.Com Honours: Admission Process
Most institutes offering the course admit students based on their performance in a relevant entrance test, followed by a round of Personal Interview. Some institutes conduct their own entrance tests for offering admission. Admission process generally varies across col

In which university do you wish to apply? Admission process varies from college to college.

Please refer to the link:
http://bbauadmissions.in/Syllabus.aspx

Having a post-graduation degree or a professional course added to your CV shall surely raise the prospects of building a great career. You can opt below options:
1. Masters Degree:
Masters of Commerce (M.Com)
Masters of Business Administration (MBA)
2. Professional Courses:
Chartered Accountancy
Company S