Pre-poll surveys suggest NDA likely to miss majority mark in 2019 election; united Opposition may eat into BJP's vote share

[vayuu1]

And how will any agency conduct a survey of 20-25 lakhs people?

That is a job of agency, 22000 people represent 5 people from each legislation which is 4120 in no they need atleast 500 people to be more accurate, how? It's their job they have to find out a way

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