Which is the group of languages spoken by the largest number of people in India?

lndo-Aryan group of languages spoken by the largest number of people in India. There are about 219 known Indo-Aryan languages. The largest in terms of speakers are Hindustani (Hindi-Urdu, about 329 million), Bengali (242 million), Punjabi (about 100 million) and other languages, with a 2005 estimate placing the total number of native speakers at nearly 900 million.