Dravidian vs Telugu

Dravidian and Telugu both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dravidian	Yes	No	No	No
Telugu	Yes	No	No	No

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

Dravidian: a member of one of the aboriginal inhabitants of India
Telugu: a member of the people in southeastern India (Andhra Pradesh) who speak the Telugu language

Other hyponyms of Dravidian include Badaga, Gadaba, Gond, Canarese, Kanarese, Kolam, Kota, Kotar, Kui, Malto, Savara, Tamil, Toda, Tulu.

Dravidian (noun)	Telugu (noun)
a large family of languages spoken in south and central India and Sri Lanka, as well as overseas in Malaysia and Singapore	a Dravidian language spoken by the Telugu in southeastern India
a member of one of the aboriginal inhabitants of India	a member of the people in southeastern India (Andhra Pradesh) who speak the Telugu language