Sikkim has reservations in Panchayats for:

The correct answer is: d) All of the above.

Sikkim has reservations in Panchayats for women, Scheduled Castes and Scheduled Tribes, and Other Backward Classes.

• Women are guaranteed one-third of the seats in all Panchayats.
• Scheduled Castes and Scheduled Tribes are guaranteed one-fourth of the seats in Panchayats in areas where they are in a majority.
• Other Backward Classes are guaranteed one-third of the seats in Panchayats in areas where they are in a majority.

These reservations are designed to ensure that all sections of society are represented in local government. They help to promote social justice and equality.