How has reservation system been extended to other weaker sections?

(i) The system of reservation was extended later to other weaker sections at the district and local level.
(ii) In many states, seats in rural and urban local bodies are now reserved for other Backward Classes (OBCs) as well.
(iii) However, the proportion of seats reserved varies from state to state. Similarly, one-third of the seats are reserved in rural and urban local bodies for women candidates.