The term Indian refers to anything that originates from the Earth Asian nation of India.
People[]
One of the 37's abducted from Earth by the Briori in 1937 was of apparent Indian descent. (VOY: "The 37's")
According to Marla McGivers' initial assessment of Khan Noonien Singh's appearance, she surmised he was probably from the northern India area and was probably a Sikh. (TOS: "Space Seed")
In the script of TOS: "Court Martial", Captain Chandra was referred to as an East Indian.
The USS Aryabhatta appears to be named after the noted Indian scientist Aryabhata.
Culture[]
The Indians of ancient times referred to the focal points from the foramen magnum which created the body's bioelectric field as chakras. (DS9: "The Muse")
India was the home of religious mystics called "fakirs", who were well known for their meditative skills. (ENT: "Carbon Creek")
Indian food and pizza were two food types suggested by Hoshi Sato to Madeline Reed as a potential favorite food type enjoyed by Malcolm Reed. (ENT: "Silent Enemy")
One language spoken by Indians was Hindi. (TNG: "The Offspring")