Replying to the Motion of Thanks in the Rajya Sabha on the President's address, Prime Minister Narendra Modi on Monday said today scientists are working on 'mission mode' as a result the world's largest vaccination drive is taking place in the country and India is emerging as a pharmacy hub for the world during the Covid-19 pandemic.

He said, "Earlier smallpox and polio posed a grave threat. A lot of hardwork was done to bring out a vaccine for these diseases. Today, we have made vaccines for coronavirus in short span of time. The world's largest vaccination drive is going on in India."