There are several documents that the lawyer or registrar will ask for. Most of them are related to proof of identity. So you must identity proof document like any one of the following: Voter card, Aadhar card, passport, PAN card, electricity bill, among others. Age proof is significant when it comes to marriage. In India, a woman above the age of 18 and a man above the age of 21 years can get married. You will also need to have passport size photographs. It must be colored and a recent photograph of both the parties.