What are the criteria for a person to be considered a citizen of India at the commencement of the constitution?
A person can be considered a citizen of India at the commencement of the constitution if they meet one of the following criteria:

1. They have their domicile in the territory of India and were born in the territory of India.
2. They have their domicile in the territory of India, and either of their parents or any of their grand-parents was born in India as defined in the Government of India Act, 1935 (as originally enacted).
3. They have been ordinarily resident in the territory of India for not less than five years immediately preceding the commencement of the constitution.