Divorced persons when may re-marriage again under Section 15 of Hindu Marriage Act.

When a marriage has been dissolved by a decree of divorce and either there is no right of appeal against the decree or, if there is such a right of appeal, the time for appealing has expired without an appeal having been presented, or an appeal has been presented but has been dismissed, it shall be lawful for either party to the marriage to marry again.

Read New Rule Here New Rules in Divorce Laws 6- Month waiting period not mandatory

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