According to the Rajasthan Municipal Act 2009, which one of the following provisions is correct regarding the reservation of municipal seats?

1. All the seats fixed for a Municipality, general as well as reserved, shall be filled up by direct election.
2. The reservation of seats for SC and ST, and the Backward Classes shall cease to have an effect on the expiration of the period specified in Article 334 of the Constitution of India.
3. One-half of the seats reserved for the SC or the ST or the Backward Classes shall be reserved for the women belonging to such Castes, Tribes, or, as the case may be, Classes.