India justifiably had much to celebrate on Sunday, when the country crossed the milestone of two billion Covid-19 vaccines administered, with at least two-thirds of the population having received two doses. This is no small achievement in a country the size of India with its argumentative federal structure and social and geographical complexities. The milestone, powered by a swiftly created IT backbone, is also worth celebrating when set against the faltering start to the Covid-19 vaccine programme in January 2021 with poor supply planning leading to artificial restrictions on access, which inevitably delayed the economic recovery. In the final reckoning,