https://www.ahn24x7.com/narrative/centre-mandates-indian-standard-time-as-single-reference-for-official-use https://ahn.blr1.cdn.digitaloceanspaces.com/screenshot_2026_08_31_12554168403045_f2ab_4f02_842d_0d95b19bc48d.png Asian Horizon Network en 2026-08-31T07:25:00+05:30 Centre Mandates Indian Standard Time as Single Reference for Official Use Indian Standard Time, IST Rules 2026, One Nation One Time, Centre IST mandate, Indian Standard Time Rules, Legal Metrology Rules 2026, India time standard, NavIC, IST India