Registrations for the latest round of inoculations will open on April 28. New Delhi: All above 18, now eligible for vaccination from May 1, can register for their shot from April 28 on the CoWIN platform and Aarogya Setu, the government said today. As India faces the world's worst Covid surge, its daily cases surpassing the US today, the government last week opened vaccinations to all adults for the first time. According to the new vaccine rules, states and private entities can buy vaccines directly for inoculations. The centre will continue to vaccinate those declared eligible so far - frontline workers, health workers and those above 45.