The correct option is Other Backward Classes (OBCs).
Explanation
The 73rd Constitutional Amendment Act, 1992, divides its provisions into two categories: Compulsory (Mandatory) and Voluntary (Discretionary). Compulsory provisions must be incorporated into state laws, whereas voluntary provisions are left to the discretion of the State Legislatures to suit local needs.
Analysis of Reservation Provisions
- Mandatory Reservation: The Act mandates reservation of seats for Scheduled Castes (SCs) and Scheduled Tribes (STs) in proportion to their population, and at least one-third of the total seats for women (including women belonging to SCs and STs).
- Voluntary Reservation: Under Article 243D(6), the Act authorizes the State Legislature to make any provision for the reservation of seats in any Panchayat or offices of Chairpersons in favor of the backward class of citizens.
- The original text of the 73rd Amendment does not contain specific provisions for voluntary reservation for Economically Weaker Sections (EWS), Religious Minorities, or Linguistic Minorities.
Key Takeaway: While reservation for SCs, STs, and Women is constitutionally mandated in Panchayats, reservation for Backward Classes (OBCs) is a voluntary provision determined by the State Legislature.