The International Day of Light is being celebrated on 16 May each year, the anniversary of the first successful operation of the laser in 1960 by physicist and engineer, Theodore Maiman.
The Reserve Bank of India (RBI) in a sudden move on May 4, 2022, increased the policy repo rate by 40 basis points to 4.40 percent with immediate effect.
International Day for Biological Diversity is being celebrated on 22 May every year to increase awareness and understanding of the issues of biodiversity.
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