What Is an Inter-Religion Marriage? An inter-religion marriage means a marriage between two adults belonging to different religions  such as Hindu–Muslim, Hindu–Christian, Muslim–Sikh etc. Indian law fully recognises and protects  such marriages. Is Inter-Religion Marriage Legal in India? Yes, inter-faith marriage is 100% legal in India. Adults have full freedom to choose their life partner, irrespective of religion, caste, or community. “The right to marry a person of one’s