India has begun inoculating people against coronavirus from January 16, which according to the government is the rollout of the biggest vaccination drive in the world. The government has estimated that 30 crore people - including frontline and healthcare workers, people above the age of 50 and also those with comorbidities will be vaccinated in the first phase of the drive across the country over the next few months. As per the data released by the government on Monday (January 18) evening, India has vaccinated around 3.8 lakh people in three days' time. As more and more people get vaccinated, here's a break down of the Centre's fact sheet on Covishield and Covaxin that specifies which category of people should not get vaccinated and the possible side effects from the vaccines.