Indian Christian Marriage Act,1872
42. Oath before issue of certificate
The certificate mentioned in section 41 shall not be issued by any Marriage Registrar, until one of the parties intending marriage appears personally before such Marriage Registrar, and make oath25
(a) that he or she believes that there is not any impediment of kindred or affinity, or other lawful hindrance, to the said marriage, and
(b) that both the parties have, or (where they have dwelt in the districts of different Marriage Registrars) that the party making such oath has, had their, his or her usual place of abode within the district of such Marriage Registrar,
and, where either or each of the parties is a minor,
(c) that the consent or consents to such marriage required by law has or have been obtained thereto, or that there is no person resident in India authorized to give such consent, as the case may be.