Section 177(2)(a) in Karnataka Panchayat Raj Act, 1993
(a)Such number of offices of Adhyaksha and Upadhyaksha of Zilla Panchayat in the State for the persons belonging to the Scheduled Castes and Scheduled Tribes and the number of such offices bearing as nearly as may be the same proportion to the total number of offices in the State as the population of the Scheduled Castes in the State or of the Scheduled Tribe in the State bear to the total population of the State;