Which of the following are the basic features of the Constitution (73rd Amendment) Act?

1.Provides for a three-tier structure of panchayats in the village, intermediary and district levels.

2.Reservation of seats for Scheduled Castes and Scheduled Tribes and women in all the tiers of panchayats.

3.Election to panchayats under the supervision of the State Election Commissions.

4.Introduction of the 11th Schedule to the Constitution.

Select the correct answer using the code given below:

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