Hello
NEET examination is conducted every year for admission to undergraduate medical, dental, AYUSH, BVSc and AH courses in colleges throughout India.
thThe admissions are provided under two categories-All India quota and state quota.
Previous year rank vs Marks were as follows

• 570-561: 16173-19478 rank
• 560-551: 19967- 23501 rank
• 550-541: 23695-27650 rank

Check out our NEET knockout program it will be very useful for your preparation
https://learn.careers360.com/knockout-neet-may/

Follow this link for more information on Marks vs Rank for NEET 2019 https://www.google.com/amp/s/medicine.careers360.com/articles/neet-result-marks-vs-rank/amp

Good luck