Which of the following doctrines promotes regionalism?

Question

Son of the soil doctrine according to which, a state specifically belongs to the native group only, who are the sons of the soil or local residents. The doctrine gains currency due to competition for job and resources between migrant and local educated middle-class youth. For ex: Maharashtra for Marathas, Gujrat for gujratis etc. It is a kind of regionalism that views a state as specifically belonging to the main linguistic group inhabiting it.
Natural justice implies fairness, reasonableness, equity and equality. Indian Constitution does not use the expression ‘Natural Justice’ anywhere. However, the parts of the Constitution with their respective expressions convey the idea of Natural Justice. For example, in India the principles of natural justice are firmly grounded in Article 14 and 21 of the Constitution.
The principle of subsidiarity stipulates that the functions of administration shall be carried at the smallest unit of governance possible and delegated upwards only when the local unit cannot perform the task.
Non-refoulement is a fundamental principle of international law that forbids a country receiving asylum seekers from returning them to a country in which they would be in likely danger of persecution based on “race, religion, nationality, membership of a particular social group or political opinion”. It means a person fleeing from persecution from his own country should not be forced to return.

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Son of the Soil principle

Son of the soil doctrine according to which, a state specifically belongs to the native group only, who are the sons of the soil or local residents. The doctrine gains currency due to competition for job and resources between migrant and local educated middle-class youth. For ex: Maharashtra for Marathas, Gujrat for gujratis etc. It is a kind of regionalism that views a state as specifically belonging to the main linguistic group inhabiting it.
Natural justice implies fairness, reasonableness, equity and equality. Indian Constitution does not use the expression ‘Natural Justice’ anywhere. However, the parts of the Constitution with their respective expressions convey the idea of Natural Justice. For example, in India the principles of natural justice are firmly grounded in Article 14 and 21 of the Constitution.
The principle of subsidiarity stipulates that the functions of administration shall be carried at the smallest unit of governance possible and delegated upwards only when the local unit cannot perform the task.
Non-refoulement is a fundamental principle of international law that forbids a country receiving asylum seekers from returning them to a country in which they would be in likely danger of persecution based on “race, religion, nationality, membership of a particular social group or political opinion”. It means a person fleeing from persecution from his own country should not be forced to return.

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