Section 140(1) in Karnataka Panchayat Raj Act, 1993
(1)A member holding office as Adhyaksha of the Taluk Panchayat may resign his office at any time by writing under his hand addressed to the Deputy Commissioner and the Upadhyaksha may resign his office at any time by writing under his hand addressed to the Adhyaksha and in the absence of Adhyaksha to the Deputy Commissioner and the office shall become vacant on the expiry of fifteen days from the date of such resignation unless within the said period of fifteen days he withdraws such resignation by writing under his hand addressed to the Deputy Commissioner or the Adhyaksha, as the case may be.