The polling industry is crowded, with new firms emerging every election cycle. A look at 10 companies that released exit polls ahead of the Delhi Assembly results.

All that is available to the exit poll sample design team is a list of polling stations and, for most stations but not all, the number of voters on the register for that station. But are voter ...

There was widespread discontent and not much enthusiasm for any of the candidates. The exit polls put support for his Union bloc at 28.5-29% and Alternative for Germany, or AfD, at 19.5-20% ...