How To Download Certificate Of Covid Vaccine via Aadhaar number or mobile number? Once the first dose of the vaccine has been received, the government issues a vaccination certificate confirming that a person has been vaccinated. The vaccination certificate contains all the basic data of the beneficiary. India is in the midst of the second wave of Covid19 and this month has recorded more than 4 lakhs of coronavirus infection cases per day for four consecutive days. In order to combat this highly infectious disease, the government has authorised vaccination for anyone over the age of 18 since May 1.