the following documents are required for marriage regsitration
Marriage Registration Application Form
Affidavit by the Husband and Wife
Husband and Wife’s proof of age (Birth Certificate, Aadhar, Passport, Voter Id, PAN Card, Matriculation Certificate, Domicile Certificate, etc)
Husband and Wife’s proof of residence (Ration Card, Aadhar Card, Passport, Election Voter Id, PAN Card, Utility bill like telephone/electricity, etc)
Individual Photos of the Husband and Wife and Marriage photos of both
Certificate of religious marriage issued by a Priest, Pandit,
Photo and Proof of Identity of 3 Witnesses (Ration Card, Aadhar Card, Passport, Election Voter Id, PAN Card, Driver’s License, Utility bill like telephone/electricity, etc)
Wedding Card (If not present, then an affidavit on Stamp Paper with 3 witnesses
2) since you married when you were minor your marriage would not be regsitered by the marriage registrar