How are the students selected? Is there an entrance exam? Or neet mark is needed? Please reply

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Hello there!
You haven't mentioned about what exam are you asking,  if you are about mbbs then yes you can get a seat through neet or jipmer or aiims .
The National Eligibility cum Entrance Test-Under Graduate, formerly the All India Pre-Medical Test is an entrance examination in India for students who wish to study undergraduate medical courses and dental courses in government or private medical colleges and dental colleges in India.
Thankyou