Yes, you will be eligible to give the NEET PG exam if you resign during your DNB course. Resigning from the DNB program doesn't restrict you from appearing for the NEET PG exam next year.NEET PG eligibility criteria typically focus on factors like possessing an MBBS degree and fulfilling internship requirements. Resignation from a DNB program doesn't fall under these criteria.

Ensure you meet the minimum eligibility requirements set by the National Board of Examinations (NBE) for appearing in NEET PG.

https://medicine.careers360.com/download/ebooks/neet-pg-syllabus

I hope it helps!