MBBS admissions in Rajasthan are determined through the NEET UG exam, followed by state-level counselling. Candidates must have completed their 12th grade with Physics, Chemistry, and Biology and must have successfully cleared the NEET exam. The required documents include the NEET scorecard, class 10/12 mark sheets, domicile certificate (if applicable), caste or PwD certificates (if needed), along with other required documents.