The candidates who will not opt for any seat in the second round of counselling will be eligible for the third round. You can check the further information regarding JIPMER counselling to go through with the given below link.

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

You can also take an idea for third round cutoff to refer the previous year cutoff with the given below link.

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

Good Luck!