How should India's Vaccine Mandate Policy look like?

The recent wave of Covid-19 infections across the United States has been a setback for employers, schools, and universities who were readying to open their offices and campuses. From a "no mask needed for the fully vaccinated" policy 50 days back to vaccines being made compulsory by both state administrations and private companies alike, the Covid-19 vaccine has become imperative for the recovery process from the pandemic.Given the population size of India and the current pace of vaccinations in the country, the threat of future waves of Covid-19 infections still looms large. Recently, employer institutions (both government as well as private) along with public service provider businesses in the country have mandated the Covid-19 vaccine for their employees and customers, respectively.But if there is a vaccine mandate issued in India, what would be the ideal strategy for implementing it?