Hi

As per the information given for Maharashtra state counseling, there is no detail mentioning the reservation regarding DAM certificate holders for NEET

Dam certificate is related to the rehabilitation of people impacted by specific projects or incidents related to the project in Maharashtra.

Here is the link to the documents requirement in NEET

-- info.mahacet.org (//info.mahacet.org)

With 498 marks, you do have chance to get a seat in medical college, if not government then private medical college definitely.

Here is the link to look for colleges through your rank and marks-

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

Best of luck