With 620 marks your rank would be around 23k-24k so through AIQ you will get new medical colleges till round 3 of MCC counselling.its better to get medical college through state quota various state medical colleges are way better than the colleges through aiq.consider all aspects before filing your choice you can also use neet predictor which will help you in decision making.

https://medicine.careers360.com/neet-college-predictor?utm_source=neet_cp&utm_medium=GoogleAds&utm_campaign=neetugcp0305&gad_source=1&gclid=Cj0KCQjwsuSzBhCLARIsAIcdLm4StOrkWXdjz3YttaSKfj3Jk2JFSTDY--vAly2dowLReEKlfntOiFIaAi8mEALw_wcB