Indian vs Gujarati

Indian and Gujarati both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian	Yes	Yes	No	No
Gujarati	Yes	No	No	No

As nouns, Gujarati is a hyponym of Indian; that is, Gujarati is a word with a more specific, narrower meaning than Indian:

Indian (noun)	Gujarati (noun)
any of the languages spoken by Amerindians	the Indic language spoken by the people of India who live in Gujarat in western India
a native or inhabitant of India	a member of the people of Gujarat

Indian (adjective)	Gujarati (adjective)
of or relating to or characteristic of India or the East Indies or their peoples or languages or cultures
of or pertaining to Native Americans or their culture or languages