Which of the following Article talks about the tenure of the office of persons serving the Union or a State .

Explanation : Article 14 : The State shall not deny to any person equality before the law or the equal protection of the laws within the territory of India . Article 300 of the Indian Constitution pertains to suits and proceedings by or against the Government of India or a state government . Article 124 of Chapter IV states the establishment and constitution of the Supreme Court . Article 310 of the Indian Constitution guarantees the right to hold a civil post in the Union or a state to any citizen of India, subject to the provisions of the Constitution and any law made by Parliament or the state legislature .