MBBS admissions in Rajasthan are based on the NEET UG exam, followed by counselling at the state level. Candidates must have completed their 12th grade with Physics, Chemistry, and Biology and must have 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 relevant), and other necessary documents.