Dear aspirant hope you are doing well...

No, A commerce candidate doesn't get B. Sc degree. Only science candidate pursue B. Sc degree  .

B. Sc eligibility criteria are

• The basic BSc course eligibility is to have at least 50% in Class XII from any recognized board. ...
• The students must have studied core subjects like Maths, Physics, Chemistry and Biology at their Higher Secondary level.
• The minimum age limit for BSc course admission in India is 18 years.

Hope it's helpful thank you