Explanation:

The languages of India can be classified into four major families –

Dravidian: In the south of India, languages from the Dravidian family are predominant, like Malayalam, Tamil, Kannada, Toda, Telugu, Kodagri, and Badaga. 
Indo-Aryan: It covers the widest area of the country and is spoken by the largest proportion of its population, especially in the North, East, and West. The root language of this family is Sanskrit and its principal spoken languages include Hindi, Bengali, Bihari, Pahari, Gujarati, Bhili, Rajasthani, Konkani, Marathi, Oriya, Assamese, and Punjabi.
Tibeto-Burman: In Arunachal Pradesh, Assam, Sikkim, and the Himalayan regions of Jammu and Kashmir languages from the Tibeto-Burman family are used.
Austro-Asiatic: The population in Meghalaya and some parts Orissa and Bihar uses Austro-Asiatic languages, like Samthali, Bhandari, Koku, Ho, and Savara.