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Indian Economy - Understanding the basics of Indian economic system

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World Metrology Day is celebrated annually on ___________________.

18 May

19 May

20 May

21 May

Explanation:

The World Metrology Day is observed on 20 May to celebrate the International System of Units.
Metrology is the study of measurement.
The theme for World Metrology Day 2021 is Measurement for Health.

By: Rohit Middha

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