Here is all you need to know about India's Covid-19 vaccination drive: 1) India hopes to inoculate 30 crores people by July.2) The roll-out of the COVID-19 vaccine will provide priority to the healthcare workers and the frontline workers who are estimated to be around 3 crores, followed by those above 50 years of age and the under-50 population groups with co-morbidities numbering around 27 crores.Also Read | The curious case of the glowing beaches3) About 150,000 staff in 700 districts have been specially trained, and India has held several national dry runs involving mock transportation of vaccines and dummy injections.4) The two vaccines approved are - AstraZeneca's Covishield, made by local partner the Serum Institute, and Bharat.