Hi,

The lower age limit for NEET 2021 is 17 years of age. Candidates applying for NEET Examination must be of 17 years of age as on 31 December, 2021. There is no upper age limit yet decided for the NEET examination and candidates can give any number of attempts for NEET examination. There is no such limit . So, you can sit for fifth attempt in NEET examination. You just need to have 50% aggregate in the subjects of Physics, Chemistry, Biology and English if you belong to General category and 45% for reserved categories. If you fulfill this criteria, you are eligible for the entrance exam.

Refer to the following link for more information: https://medicine.careers360.com/articles/neet-eligibility-criteria