New Delhi [India], June 25 (ANI): With the deadline to file the nomination for the post of Lok Sabha speaker being 12 pm Tuesday, the battle between the NDA and the opposition has drawn out. If the INDIA bloc announces its candidate for the post, it will be the first time that elections will be held for the Speaker of the lower house. Since independence, the Lok Sabha speaker and deputy speaker have been elected by consensus between the ruling party and the opposition. Although the BJP leaders remained tight-lipped about their nominee for the post, there are speculations that Om Birla, the spe…