its not only Hindi on the list...
its Hindi/Urdu... both are used world widely.. check the link of Wiki
http://en.wikipedia.org/wiki/List_of_languages_by_number_of_native_speakers
its not only Hindi on the list...
its Hindi/Urdu... both are used world widely.. check the link of Wiki
http://en.wikipedia.org/wiki/List_of_languages_by_number_of_native_speakers