Under All India Quota, All the 15% of All India Quota Seats except for Jammu and Kashmir, 100% Seats at Deemed and Central Universities, IP Quota seats in ESIC Colleges, Seats at AFMC, AIIMS and JIPMER are filled by DGHS. And based on previous year cut offs, you will need atleast 575 and above for a seat under All India Quota. Now this is based on previous years data and cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, top NEET score and difficulty of the exam. You can check the Closing ranks of the top Medical Colleges at our page: https://medicine.careers360.com/articles/neet-cut-off . But to give you the closing ranks of few Medical colleges:

MAMC: 32

VMMC:  157

UCMS: 171

GMC Chandigarh: 360

Seth Medical College: 638

KGMC, Lucknow: 908

Stanley Medical College: 4572

Grant Medical College: 1329

Pt. Bhagwat Dayal Sharma, Rohtak: 1825