From India's Covid-19 cases crossed 5 lakh-mark to Delhi government conducting a serological survey, here are the top updates on coronavirus pandemic. Cases in India took just 39 days to reach 5 lakh-mark from 1 lakh-mark. In Delhi, Covid-19 cases crossed 80,000-mark. Delhi has decided to conduct a serological survey for better planning Covid-19 response in the capital. Meanwhile, Egypt eased restrictions in the country despite the number of cases rising. Watch the full video for more details on the pandemic.