A prenuptial or pre-marriage agreement is a contract signed by the to be married couple and witnessed by friends and family. Being a contract, the prenuptial agreement, popularly known as the prenup, is governed by the Indian Contract Act, 1872. It lays down the liabilities, distribution of assets and custody of children, if any, of the parties in the event of a dissolution of marriage through divorce. Such a contract would normally include a clause relating to separate property, shared property, amount of alimony, maintenance issues, custody of children, so and so forth. Source: www.lawfultalks.com