The impossible job: India's pollsters face uphill battle to call election
Updated : February 12, 2019 02:30 PM IST
Opinion polls grew in popularity in India in the 1990s, after economic liberalisation saw a boom in privately-owned newspapers and TV channels, all demanding their own surveys.
Elections in India have become "increasingly multi-varied", Praveen Rai said, with the emergence of regional parties complicating pollsters' efforts.
Many polls are conducted face-to-face, and collecting representative samples can be hard in a country that still has several armed separatist movements and tribal communities unused to opinion polling.
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