Gurugram, April 7 -- The district administration of Nuh on Monday declared Umrao village in Nagina as a buffer zone - banning the entry and exit of people in the village to contain the spread of the coronavirus disease (Covid-19), said officials. Six more people tested positive for Covid-19 in the district on Monday, taking the total number of confirmed cases to 14, said officials. The police said 13 of them had attended the Tablighi Jamaat congregation in Nizamuddin in Delhi last month....