B.Com

Sant Baba Bhag Singh University select students for its BCom course on a merit-basis. Hence, the applicants performance in Class 12 or equivalent is evaluated for selection. There is no entrance score requirement. However, for admission, the minimum eligibility criteria must be met as prescribed by the university. 

For admission in BCom at SBBS University, it is crucial that the eligibility criteria is met. Aspirants who are Class 12 or equivalent pass with a minimum of 50% aggregate can apply for admission. In addition, the minimum aggregate for SC/ ST candidates is at least 45%. During form filling and admission, candidates must hold the relevant documents as a proof of eligibility. 

There are multiple components included in the total fee structure. SBBS University BCom tuition fee amount is INR 86,650. Selected candidates have to pay the first semester of prescribed admission fees for seat confirmation. The university reserves the right to revise the fee structure in an academic year. It must be noted that the given amount is as per the official website/ sanctioning body. It is still subject to changes and hence, is indicative.

Yea you can change your course but you would need to start from beginning in B.Com 

If mumbai university providing integrated courses for Bcom LLB (hons) which will take 5 year then you can do both