Healthcare COVID-19: Govt's 3-tier vaccination priority plan vs BJP's free vaccine promise in poll-bound Bihar Updated : October 23, 2020 11:08 AM IST The free vaccine promise has came as a surprise as the Health Ministry has been working on a three-tiered priority plan for vaccine distribution. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.