Hi there. 

According to the latest updates, all private and open schools candidate are eligible for writing the NEET examination considering they are at least 17 years of age with 50% (for UR category) aggregate marks in Class XII boards examination with Physics, Chemistry and Biology as the subjects. 

For more relevant information click on the following link: 

https://www.google.co.in/amp/s/medicine.careers360.com/articles/neet-eligibility-criteria/amp

Hope this helps.