UPSC is a Constitutional Body under Article 315-323 Part XIV Chapter II of the Constitution of India to discharge their duties, functions and obligations assigned under Article 320. The UPSC  conducts various examinations  in accordance with the Rules of examination as notified by the Government of India in a just, fair and impartial manner  for making a merit based selection and recommendation of candidates for various Group A and Group B Services  of the Govt. of India.