Yes, if your parents have been living in Assam for the past 20 years, you are likely eligible to claim the state quota in NEET, as this generally qualifies you for a domicile certificate in Assam, which is required to access the state quota seats in medical colleges there.

Domicile certificate requirements

You will need to obtain a domicile certificate from the Assam government to avail of the state quota.

Eligibility criteria:

Check the specific eligibility criteria set by the Assam government for claiming domicile, which may include details about your parents' residency duration and your own educational background within the state.

By claiming the state quota, you will have access to a larger pool of seats within Assam medical colleges compared to the All India Quota.

All the best for your future endeavours..