Here's why:
* Number of Speakers: Indo-Aryan languages are spoken by the vast majority of India's population, representing over 70% of the country's speakers.
* Geographical Distribution: Indo-Aryan languages are spoken throughout the majority of India, with the exception of the southernmost regions.
* Historical Significance: Indo-Aryan languages have been spoken in India for centuries, and they have played a significant role in shaping the country's culture and identity.
While other language families like Dravidian, Austroasiatic, and Tibeto-Burman are also present in India, Indo-Aryan dominates in terms of number of speakers and geographical reach.