The total number of novel coronavirus cases in India surged past the 12,000-mark on Thursday while the death toll has climbed to 420. Maharashtra has the highest number of confirmed Covid-19 cases in India. Maharashtra is followed by Delhi at 1,578 and Tamil Nadu at 1,242. At least 72 families in Delhi have been quarantined after a pizza delivery agent from the Maliviya Nagar in Delhi tested positive for the novel coronavirus. Along with the 72 families, 17 colleagues of the delivery agent have also been placed under quarantine. Watch Non Stop.