<s>[INST] Article 89 of Indian Constitution [/INST] The Chairman and Deputy Chairman of the council of States
(1) The Vice President of India shall be ex officio Chairman of the Council of States
(2) The council of States shall, as soon as may be, choose a member of the council to be Deputy an thereof and, so often as the office of Deputy Chairman becomes vacant, the council shall choose another member to be Deputy chairman thereof"
Article 90 of Indian Constitution,"Vacation and resignation of, and removal from, the office of Deputy Chairman A member holding office as Deputy chairman of the Council of States
(a) shall vacate his office if he cease to be a member of the Council;
(b) may at any time, by writing under his hand addressed to the Chairman, resign his office; and
(c) may be removed from his office by a resolution of the Council passed by a majority of all the then members of the Council: 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"," </s>