<s>[INST] Article 179 of Indian Constitution [/INST] Vacation and resignation of, and removal from, the offices of Speaker and Deputy Speaker A member holding office as Speaker or Deputy Speaker of an Assembly
(a) shall vacate his office if he ceases to be a member of the Assembly;
(b) may at any time by writing under his hand addressed, if such member is the Speaker, to the Deputy Speaker, and if such member is the Deputy Speaker, to the Speaker, resign his office; and Provided that no resolution for the purpose of clause (c) shall be moved unless at least fourteen days notice has been given of the intention to move the resolution: Provided further that, whenever the Assembly is dissolved, the Speaker shall not vacate his office until immediately before the first meeting of the Assembly after the dissolution"
Article 180 of Indian Constitution,"Power of the Deputy Speaker or other person to perform the duties of the office of, or to act as, Speaker
(1) While the office of Speaker is vacant, the duties of the office shall be performed by the Deputy Speaker or, if the office of Deputy Speaker is also vacant, by such member of the Assembly as the Governor may appoint for the purpose
(2) During the absence of the Speaker from any sitting of the Assembly the Deputy Speaker or, if he is also absent, such person as may be determined by the rules of procedure of the assembly, or, if no such person is present, such other person as may be determined by the Assembly, shall act as Speaker"," </s>