The Rajya Sabha, on first day of the Monsoon session on Monday, will elect its Deputy Chairman, with NDA's Harivansh Narayan Singh and RJD's Manoj Jha in the fray for the post. For the ruling National Democratic Alliance, BJP chief JP Nadda will move the first motion in support of Singh while Leader of Opposition Ghulam Nabi Azad will move the first motion from the opposition, and voting may take place, if required. The government will introduce four ordinances as bills. Parliamentary Affairs Minister Pralhad Joshi will move the motion on the curtailment of Question Hour. The opposition has questioned the government's move on Question Hour and reducing the time for the Zero hour.