Medicine

You have to give the entrance for this and only a few seats are available for it if you get admission in a government college, the fee would be around INR 70,000/year in a government college, and in private colleges, INR 8,00000/year or more. The fee structure also depends on the university.

You can take admission in the medical colleges across Karnataka by giving NEET exam and providing NEET examination's scorecard.

Are you seeking admission through management quota?

MBBS from Singhania University is good but it is not registered with MCI which means its degree is not valid in India. So, I would suggest you to don't take admission in this college. You can check in this link:
https://www.mciindia.org/CMS/information-desk/for-students-to-study-in-india/list-of-college-teaching-mbbs
For more information about Singhania University, refer to this link:
https://www.shiksha.com/university/singhania-university-jhunjhunu-23718/admission

No, through these marks, you cannot get any MBBS college. In fact, your percentile is very low.

You can get admission for BDS.

No, you will not get admission, but you may try with para medical course.

Hi,
The cut off for OBC category for BA MS can be 300 or above 300 in rough estimation.