Hello student yes onwards 2020 NEET is the only entrance exam to get admission in any medical college across the country till last year to get admission in AIIMS you need to appear in its separate entrance exam that's all india institute of medical science entrance exam. And same In jipmer but from this year you need to appear in only one exam for any medical college and that's NEET.

You can also click on the link mentioned below for more information about Neet

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

Feel free to comment if you have any doubt

Good luck