From multiple places in India seeing their highest single-day surges of 2021, to the country crossing the 6 crore-mark in vaccinations - here are the top news updates on the Covid-19 pandemic. Maharashtra Chief Minister Uddhav Thackeray asked officials to prepare for another lockdown if people don't adhere to guidelines. The state saw over 40,000 new cases on March 28. In international news, Russian president Vladimir Putin said he experienced minor side-effects after vaccination. Watch the full video for the other updates on the spread of the Sars-CoV-2 coronavirus.