The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Given as a target, not a fixed date, per the pin description: "…i to Ahmedabad trip to about two hours. Estimated date.…"
India's official government news service reports Railways Minister Ashwini Vaishnaw's statement that the first section (Surat-Bilimora) starts service on 15 August 2027, with the full Mumbai-Ahmedabad corridor phased in through 2029; left without an exact day since sources disagree on which milestone counts as the full corridor 'opening'.[1]
Deccan Herald, a major Indian daily, independently corroborates the government's phased timeline: first section in 2027, full Mumbai-Ahmedabad corridor by 2029.
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