NEW DELHI: Amid rising cases of COVID-19 the government is planning a nationwide mock drill on April 10 and 11 to take stock of hospital preparedness. India reported 1,590 Covid cases in the last 24 hours, the highest in 146 days, the Union health ministry said. The health ministry said that XBB.1.16 subvariant of Omicron might be the dominant virus strain in the country.