49. What are the four exceptions to the general rule of non-discrimination in Article 15

1. The state is permitted to make any special provision for women and children.
2. The state is permitted to make any special provision for the advancement of any socially and educationally backward classes or for the scheduled castes and the scheduled tribes.
3. The state is empowered to make any special provision for the advancement of any socially and educationally backward classes or for the scheduled castes and the scheduled tribes regarding their admission to educational institutions.
4. The state is empowered to make any special provision for the advancement of any economically weaker sections.