Exit polls have gone wrong in the past

Opinion and exit polls in India have a chequered history. The grand alliance of the JD(U), RJD and the Congress wronged all exit polls in 2015 as it was declared

Opinion and exit polls in India have a chequered history. The grand alliance of the JD(U), RJD and the Congress wronged all exit polls in 2015 as it was declared the winner of a shrill and bitterly fought Bihar assembly elections.