.Any marriage celebrated, whether before or after the commencement of this Act, other than a marriage solemnized under the [Special Marriage Act, 1872 (3 of 1872)] [Repealed by Act 54 of 1954, Section 51.], or under this Act, may be registered under this Chapter by a Marriage Officer in the territories to which this Act extends if the following conditions are fulfilled, namely:

(a) a ceremony of marriage has been performed between the parties and they have been living together as husband and wife ever since;

(b) neither party has at the time of registration more than one spouse living;

(c) neither party is an idiot or a lunatic at the time of registration;

(d) the parties have completed the age of twenty-one years at the time of registration;

(e) the parties are not within the degrees of prohibited relationship:

(f) the parties have been residing within the district of the Marriage Officer for a period of not less than thirty days immediately preceding the date on which the application is made to him for registration of the marriage.