Marriage is an indispensable right and it is an integral component of all social relations. The Special Marriage Act of 1954 was introduce in India to provide a unified legal structure for civil marriages without taking into consideration the issues of religion, caste, or nationalities. It enables a person and a different religion, including foreign nationals, to marry in India. https://leadindia.law/blog/en/can-a-foreign-national-marry-in-india-under-sma/