Who is the ex-officio President of the Indian Parliamentary Group (IPG), set up in 1949, which functions as the national group of the Inter-Parliamentary Union (IPU) and the main branch of the Commonwealth Parliamentary Association (CPA) in India?

Speaker of the Lok Sabha

The correct answer is Option 4 - Speaker of the Lok Sabha

The Speaker of the Lok Sabha is the ex-officio President of the Indian Parliamentary Group (IPG).