Hello

As far as I know if you are getting admission on the basis of AMU internal quota then you will not be prohibited from participating in NEET state counselling. However if you sit for the counselling conducted by MCC on behalf of DGHS and you get a college in the AIQ you can either:

Take admission there

Leave the option but the security money will be forfeited.

If you take admission in a college on the basis of All India Quota Counselling then you willnot be allowd for State counselling.