These were implemented from 2006 onward.[10] The revised examination consisted of a single objective test, replacing the earlier two-test system. In the revised examination, to be eligible for the main examination, candidates in the general category had to obtain at least 60% aggregate marks in the 12th-grade examinations organized by various educational boards of India, while candidates belonging to Scheduled Caste (SC), Scheduled Tribe (ST), and Persons With Disabilities (PwD) categories needed a minimum score of 55%.