Pakistani Marriage With Brazilian Is It At All Possible For A Pakistani Citizen To Acquire An Indian Citizenship Other Than By Marriage?

Is it at all possible for a Pakistani citizen to acquire an Indian citizenship other than by marriage? - pakistani marriage with brazilian

My uncle was born with a Pakistani passport. is the 25th not all of Pakistani origin considered. Instead, I prefer to return to his roots in India. other than marriage is possible for him to get Indian citizenship?