The correct answer is Ganesh Vasudev Mavalankar.GV Mavalankar was conferred the title of 'Father of the Lok Sabha' by JL Nehru.GV Mavalankar was the first speaker of Lok Sabha.He was popularly known as Dadasaheb.Mavalankar was the founder-Chairman of the National Rifle Association as also of the Institute for Afro-Asian Relations.Books written by him are-Manavatana JharnaSansmaranoMy life at the BarHintMahatma Gandhi was not alive at the time of the first Lok sabha and it is not rational as JL Nehru calls himself as 'father of the Lok Sabha'. Hence options 2 and 4 are eliminated.If left with options 1 and 3, further it is a known fact that GV Mavalnkar was the first speaker of LS, based on this fact we can guess option 1.Important PointsSome of the major first ones in Lok Sabha are as follows- The First Session of this Lok Sabha commenced on 13 May 1952.MA Ayyangar was the first Deputy Speaker of Lok Sabha.AK Gopalan was the first Leader of Opposition in the elected Lok Sabha.Meira Kumar was the first female speaker of Lok Sahba and remained in office from 2009 to 2014.John Mathai presented the first budget in the elected Lok Sabha of Independent India.