You do know that India is in Asia, right? Also, Sikhs more often than not are Indians. Sikhism just like many of the world's other religions (Hinduism, Buddhism, Jainism) was born in India.
For Americans, "Asian" usually means the people we fought with or against in the Pacific in WW2, Korea, or Vietnam.
For a significant fraction of Americans "Indian" evokes visions of cowboy antagonists or casinos, rather than the Taj Mahal. That's not politically correct, but that is what it is...
