June 23 marked a worrying record for India in the battle against coronavirus Delhi had the highest number of daily new cases for any city in the world. Delhi reported 3,947 new cases on Tuesday, its highest single-day spike yet, and the highest single-day rise for any city in India so far. Among states, Delhi reported more cases than any state in the country, outpacing even Maharashtra and Tamil Nadu. This was the highest single-day increase for any state in India not just for Tuesday, but any single day during the pandemic so far.