Covid-19 hotspots in 15 Uttar Pradesh districts will be completely shut down till April 15 to contain the spread of the coronavirus infection. Stringent restrictions will come into effect at midnight in these pockets which according to the Union health ministry have reported 326 Covid-19 cases and three deaths till Wednesday morning. Gautam Budh Nagar, which houses Noida, and Ghaziabad are among the 15 districts. Other districts include Lucknow, Meerut, Agra and Varanasi. Officials said all these 15 districts have six or more cases each. Some reports said only home delivery of essentials and medicines will be allowed.