The most insidious villain in Star Trek is an Indian named Khan whose full name is Khan Noonien Singh. He is a genetically engineered superhuman from the late 20th century.
In the TV episode, Marla McGivers says, "From the northern India area, I'd guess. Probably a Sikh. They were the most fantastic warriors".
Khaaaan (played by Benedict Cumberbatch) is also the villain of the 2013 film, Star Trek Into Darkness.
Connotations
Indian connection