There are only 3 entrances to get seat in MBBS program - NEET UG, AIIMS MBBS, JIPMER other than these there will be no exams so i you wish to get admission in MBBS/BDS then you will haveto apply for the same.

For reference, you can go through the below links -

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

https://medicine.careers360.com/articles/aiims-mbbs

https://medicine.careers360.com/articles/jipmer-mbbs

Good Luck!!!