Yes you can do thiss but you will surely need to go through the National Eligiblity Entrance Test (NEET) since NEET is the only way in INDIA to get into MBBS courses. You will first complete your graduation in BSC Nursing course and then again you will need to start from first year of MBBS and complete your graduation once again..,But yes if you have so interest into getting into MBBS, then you surely can do it.

Refer to the site below for knowing more about the NEET entrance test...

https://medicine.careers360.com/articles/neet

Best wishes. Thank you.