The correct option is C
Admission of scheduled castes or scheduled tribes in educational institutions
Explanation:
The 93rd Amendment Act of 2005, added a provision in article 15 that the state is empowered to make any special provision for the advancement of any socially and educationally backward classes of citizens or for the scheduled castes or scheduled tribes regarding their admission to educational institutions including private educational institutions, whether aided or unaided by the state, except the minority educational institutions.