Economy NPR, first phase of Census postponed due to 21-day lockdown Updated : March 25, 2020 05:14 PM IST NPR and first phase of Census exercises were supposed to be carried out from April 1 to September 30. The updating of NPR was also proposed to be done along with the Phase I of Census 2021 in all the states and union territories, except Assam. Prime Minister Narendra Modi announced a 21-day lockdown across the country from Tuesday night due to the outbreak of the coronavirus. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.