The President of Russia Vladimir Putin announced a military operation in Ukraine and soon explosions were heard across cities in Ukraine including the capital Kyiv.
The ZyCoV-D which is the World's first plasmid DNA vaccine has been produced by Ahmedabad-based vaccine manufacturer Zydus Cadila and was administered for the first time in Patna.
The Ramanujan Prize for Young Mathematicians for the year 2021 has been conferred upon Professor Neena Gupta, a mathematician of the Indian Statistical Institute in Kolkata.
EXAMIANS