Dravidian

Of the Dravidian languages, Telugu, Tamil, Kannada, and Malayalam have the most speakers.

The Kodava language is a Dravidian language spoken in southern Karnataka.

The Dravidian languages of South India are unrelated to Hindi.

In India there are three major language families unrelated to one another: the Indo-Aryan, Dravidian and Munda languages.

I love Dravidian languages.

Are the Dravidian languages related to any other languages?

Marathi isn't a Dravidian language; you're thinking of Malayalam.

Retroflex consonants, while rare cross-linguistically, are ubiquitous among the Dravidian languages.