Originally Posted by
savneet_batra
Not sure if this is different for flights ex-India but did DEL-EWR-MEX last week and had to not only clear immigration but also had to pick up bags from the carousel, clear customs and then drop them off for my connecting flight.
Transit passengers have to go through U.S. immigration. Transit passengers also have to "go through" customs, but your checked bags don't have to. Your bags can be tagged so that they are not loaded on to a carousel, but are transferred to your connecting flight.