Answer:
Pro-tem Speaker.
Step-by-step explanation:
A pro-tem speaker is one who is selected temporarily as a speaker in the Lok Sabha. A pro-tem speaker is selected, usually the most senior member of the Lok Sabha, by the Lok Sabha members and legislative assembly.
A pro-tem speaker holds the position as a speaker of the Lok Sabha until a new speaker is elected. A pro-tem speaker also works as an overseer of the election of the speaker in a Newly Elected house of the people in India.
Therefore, the correct answer is a pro-tem speaker.