Chairperson of the Empowered Committee for administration of COVID vaccines and CEO of the National Health Authority RS Sharma speaks to NDTV on whether the digital divide is hampering the pace of India's vaccination drive against coronavirus. "80% people have been vaccinated through walk-ins. We have also opened call centres and are assisting with registrations," he said. Mr Sharma also explains CoWIN's integration with other apps and addresses questions over data security.