India Marks World Metrology Day 2026; Shri Pralhad Joshi Highlights Role of Accurate Measurement in Building Trust in Policy Making

• World Metrology Day (WMD) marks the anniversary of the Metre Convention (Paris, 20 May 1875); 2026 marks its 151st anniversary.
• The 2026 theme — "Metrology: Building Trust in Policy Making" — frames accurate measurement as a public-policy foundation (trade, health, environment, industry).
• India used the day to roll out major Legal Metrology reforms: 40 GATC certificates, the e-Maap digital portal, and Jan Vishwas decriminalisation.
• Examinable for GS-II (governance), GS-III (S&T, economy) and Prelims (institutions, Acts, OIML/BIPM).