To be deceived or tricked into believing something.

धोखे या चाल में फंस जाना

English Usage: He finally realized he had swallowed the bait when the deal turned out to be a scam.

Hindi Usage: उसे अंततः एहसास हुआ कि वह झांसे में आ गया जब सौदा एक धोखा निकला।