Centre notifies Legal Metrology (IST) Rules, 2026, making IST the single legal time reference
Key facts
- The Consumer Affairs Ministry notified the Legal Metrology (Indian Standard Time) Rules, 2026 on 27 August.
- IST becomes the single reference for legal, official and commercial purposes.
- The rules come into force 180 days after publication in the Gazette.
- They allow NavIC and other Indian timing sources, to cut dependence on foreign satellites.
Why it matters
[Policy] This is part of the 'One Nation, One Time' push. Banking, telecom, power grids and railways need exact, synced time stamps.
Asked before: CDS (I) 2021 asked which longitude is the standard meridian of India.
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