Correct option is A
Linguistic and religious
Article 30 of the Indian constitution proclaims that: (1) All minorities, whether or not they are based on religion or on language, they shall have the right to establish and administer educational institutions of their own choice.
Article 29 – Protection of Interests of Minorities Article 29(2): The State shall not deny admission into educational institutes maintained by it or those that receive aid from it to any person based only on race, religion, caste, language, or any of them.