The correct answer is Members of Lok Sabha.

• Speaker of Lok Sabha is elected by Members of Lok Sabha.

• He is elected by members of  Lok Sabha from amongst its members, as soon as, after the first meeting. 
• He remains in his office during the life of the Lok Sabha. He vacates office earlier in any of the following cases: 
  • If he ceases to be a member of Lok Sabha; 
  • If he resigns by writing to the Deputy Speaker; and 
  • If he is removed by a resolution passed by a majority of all the members of the Lok Sabha. 
• Such a resolution can be moved only after giving 14 days' advance notice.
• He maintains order and decorum in the House for conducting its business. 
• He adjourns the House to suspend the meeting in the absence of a quorum (presence of only 1-10th of the total strength of the House). 
• He does not vote in the first instance, but he can exercise a casting vote in the case of a tie (deadlock)

• The maximum strength of the Lok Sabha can be 552 members.
• Out of these 552 members, 530 members are elected from the States, and 20 members are elected from the Union Territories.
• President has the power to summon or prorogue the Houses of Parliament and to dissolve the Lok Sabha.