Civil weddings in India are governed by the provisions of The Special Marriage Act
Either the bride or the groom has to be living in India for at least 30 days prior to applying to the local registry office to get married. For foreigners, this is evidenced by a certificate from the local police station.
You’ll need to submit your intention to get married to the registry office
along with the residence certificate
certified copies of passports
two passport sized photographs each
Evidence of eligibility to be married
i.e., single status affidavit or a Certificate of No Impediment or Certificate of No Record also
If you’re divorced, you’ll need to produce the Decree Absolute, or if you’re widowed, a copy of the death certificate.
There is a 30 days cooling period after the forms are filled and submitted to the registrars office. If there is no objection during this period, the marriage can take place.
Witness: Three witness are required who have to provide passport sized photographs, as well as identification and proof of address.
The marriage certificate is usually issued a couple of weeks after the wedding
Validity of foreign marriages in India.-Subject to the other
provisions contained in this Act, a marriage solemnized in the manner
provided in this Act shall be good and valid in law.
Conditions relating to solemnization of foreign marriages. -A marriage between parties one of whom at least is a citizen of India may be solemnized under this Act by or before a Marriage Officer in a foreign country, if, at the time of the marriage, the following conditions are fulfilled, namely
(a) Neither party has a spouse living.
(b) Neither party is an idiot or a lunatic.
(c) The bridegroom has completed the age of twenty-one years and the bride the age of eighteen years at the time of the marriage, and
(d) The parties arc not within the degrees of prohibited relationship:
Provided that where the personal law or a custom governing at least one of the parties permits of a marriage between them, such marriage may be solemnized, notwithstanding that they are within the degrees of prohibited relationship.
Notice of intended marriage. -When a marriage is intended to be solemnized under this Act, the parties to the marriage shall give notice thereof in writing in the form specified in the First Schedule to the Marriage Officer of the district in which at least one of the parties to the marriage has resided for a period of not less that thirty days immediately proceeding the date on which such notice is given, and the notice shall state that the party has so resided.
Solemnization of marriage where no objection made. -If no objection is made within the period specified in Section 8 to an intended marriage, then on the expiry of that period, the marriage may be solemnized.
Certificate of marriage. –
(1) Whenever a marriage is solemnized under this Act, the Marriage Officer shall enter a certificate thereof in the form specified in the Third Schedule in a book to be kept by him for that purpose and to be called the Marriage Certificate Book, and such certificate shall be signed by the parties to the marriage and the three witnesses.
(2) On a certificate being entered in the Marriage Certificate Book by the Marriage Officer, the certificate shall be deemed to be conclusive evidence of the fact that a marriage under this Act has been solemnized, and that all formalities respecting the residence of the party concerned previous to the marriage and the signatures of witnesses have been complied with.
15. Validity of foreign marriages in India. -Subject to the other provisions contained in this Act, a marriage solemnized in the manner provided in this Act shall he good and valid in law.
Since yoor wife will be here in India on a tourist visa, you have to convert her visa from a tourist visa to a short visit visa (valid for one year). For this you may visit the office of The Director (Foreigner), Ministry of Home affairs, Visa Facilitation Centre, Jaisalmer House, 26, Mansingh Road, New Delhi - 110 011 with a fresh visa application form. After that they will issue a sealed envelope to FRRO with details and instructions for converting tourist visa to visit visa.(Foreigners regional registration office).
At the FRRO submit three copies of marriage certificate, three copies of passport with the latest identity proof in India of one spouse, as proof of residence. All original documents to be carried by in person for verification. You will be issued with a booklet called the residential permit with extension to stay for one year stamped in it. In the meanwhile you may apply for the PIO since any foreigner married to Indian citizen is eligible.