1. Parliament can prescribe residence as a condition for certain employment or appointment.
  2. The State can provide for reservation of appointments or posts in favour of any backward class not adequately represented in state services, and reservation in promotions for SCs/STs.
  3. A law can provide that the incumbent of an office related to religious or denominational institution should belong to that particular religion or denomination.
  4. The state is permitted to make a provision for the reservation of upto 10% of appointments or posts in favour of any economically weaker sections.