Question

who is the Lok Sabha speaker

Answer 1

here is your answer..
The Speaker of the Lok Sabha is the presiding officer of the Lok Sabha, the lower house of the Parliament of India.
The current speaker is Sumitra Mahajan of the Bharatiya Janata Party, who is presiding over the 16th Lok Sabha. 

Answer 2

Sumitra mahajan is the answer @ santhosh