It can not be said anything about the revised cutoff. If in case, the number of candidates who have qualified the exam fall short of the number required in a respective category then to fill the sufficient number of vacant seats, The Central Government in consultation with the Medical Council of India can lower the NEET PG 2019.

As a General category for NEET PG 2019, the minimum qualifying cutoff percentile is 50 & score is 340. You can refer the below given link for the further information about cutoff.

https://medicine.careers360.com/articles/neet-pg-cut-off

Good Luck!