Court Marriage in Delhi shall be carried under Special Marriage Act 1954 ,irrespective of caste , creed and religion . If you are getting married in accordance to the Special Marriage Act the wedding is solemnized and registered by a Marriage Officer. The important thing in such a marriage is that a public notice must be given for 30 days. If there is an objection to the marriage in these 30 days, the Marriage Registrar will take necessary steps to redress the objection. He may accept or reject the marriage altogether based on his investigation. The need for Marriage Certificate arises in case you need to prove that you are legally married to someone, for purposes like obtaining a passport,changing your maiden name, etc.