UNION Home Ministry has said that a door to door survey for COVID-19 in Delhi will be done first in containment zones on priority basis by 6th of July. The decision to extend the date has been taken as numbers of containment zones have increased to 435 in the city.The Ministry said, this will be followed by door to door testing in the entire Delhi. Delhi has recorded 2,084 fresh cases of COVID-19 taking the infection tally in the city to 85,161. A total 57 deaths have been reported in the national capital in the last 24 hours due to COVID-19. The number of active cases stands at 26,246 while 56,235 patients have recovered so far. As many as 16,329 patients are in home isolation.The number of containment zones in the city also jumped to 435.