Om Birla, Speaker of the 18th Lok Sabha.

                                       Office of Speaker 

• Office of the Speaker occupies a pivotal position in our parliamentary democracy.  She symbolises the dignity and power of the House over which she is presiding.
• She holds  position in the Warrant of Precedence  , standing next only to the President, the Vice-President, and the Prime Minister.
• She holds office from the date of her election until immediately before the first meeting of the Lok Sabha after the dissolution of the one to which she was elected.
• She is eligible for re-election. On the dissolution of the Lok Sabha, although the she ceases to be a member of the House, she does not vacate her office.   
• He may, at any time, resign from office by writing under her hand to the Deputy Speaker.
• The House can remove the Speaker from office only through a resolution passed by a majority of all the then members of the House
• In the Lok Sabha, the lower House of the Indian Parliament, its members elect both Presiding Officers—the Speaker and the Deputy Speaker—from among themselves by a simple majority of members present and voting in the House. The constitution only requires he should be a member of the house.
• He is vested with the power relating to the disqualification of a member of the Lok Sabha on grounds of defection. (52nd Amendment Act)
• He presides over the joint sitting of the two Houses. [Article 118(4)].He has a casting vote in the event of a tie.  
•  He  may, if thinks it necessary to do so, adjourn the House or suspend any sitting
• When both offices fall vacant, the President appoints a member of the Lok Sabha to perform the duties .
• Shri G.V. Mavalankar was the first Speaker of Lok Sabha (15 May 1952- 27 February 1956).