Mick Jagger and Will Smith will be among dozens of international and Indian celebrities performing from their homes in a four-hour concert to raise funds for the battle against coronavirus in India, where the number of cases is surging.
India has so far reported 37,335 coronavirus cases and 1,218 deaths.
Other participants at the concert, called I For India, are reported to include Bryan Adams, Mindy Kaling, Jack Black and the Indian stars AR Rahman and Akshay Kumar.
The Indian air force is to stage a flypast on Sunday and military helicopters will shower petals on hospitals caring for coronavirus patients.