All marriages solemnized in the State after the commencement of these Rules shall compulsorily be registered irrespective of religion of the parties:
Provided that the marriages, the registration of which is compulsory under any other statutory provisions, need not be registered under these Rules and such marriages shall be registered under the respective statutory provisions:
Provided further that marriages, the registration of which is optional as per any other statutory provisions shall be registered under these Rules unless registered under such statutory provisions:
Provided also that the registration of marriages solemnized prior to the date of commencement of these Rules shall be optional.