April 14, 2021 19:39 ISTThe highest single-day spike till now was in Mumbai at 9,986 cases, followed by Bengaluru (6,387 cases), Chennai (2,105 cases), and Kolkata ( 1,271 cases). On Tuesday, the positivity rate rose to 13.14 percent from 12.44 percent a day ago. The 81 deaths in Delhi were the highest since December 3 when 82 deaths were recorded. The national capital had recorded 131 COVID-19 deaths on November 18, the highest single-day fatality count. From April 4 to April 13, Delhi has recorded 77,775 COVID-19 cases, witnessing a massive rise of 234 percent. During the same period, 376 people have died due to the disease.