How can the powers and authority of Panchayats be increased according to the Constitution?
According to the context provided, the powers and authority of Panchayats can be increased by enacting a law by the Legislature of a State. This law should endow the Panchayats with necessary powers and authority to function as institutions of self-government. The law may also contain provisions for the devolution of powers and responsibilities upon Panchayats at the appropriate level, subject to specified conditions.