Hello Vinay,

There is no upper limit for NEET exam 2022. Candidates must be minimum 17 years old as on 31 st of December, in the year of taking admission.

So, you are eligible for NEET UG examination if you meet all other eligibility criteria, though you have completed your 12 th standard in 2016.

Candidates must have passed 10+2 or equivalent exam in Biology, Chemistry and Physics subjects from a recognised Board or College.

To get more information about NEET Eligibility Criteria go through below mentioned link.

https://medicine.careers360.com/articles/neet-eligibility-criteria-2022#:~:text=For%20appearing%20for%20the%20medical,to%20appear%20for%20NEET%202022.

You can check NEET Knockout using below mentioned link.

https://learn.careers360.com/knockout-neet-may/

I hope this information was helpful to you.

Good Luck!!