> Since then, a variety of hypotheses have been proposed, attributing the script to a Dravidian language, early Brahmi, an early Indo-Aryan language, and even Sumerian, but none has gained universal acceptance.

This is Mr Stalin doing politics, not archealogy, and yet another attempt from the OIT crowd to fabricate history.

https://en.m.wikipedia.org/wiki/Indigenous_Aryanism

Related, more critical reporting: https://indianexpress.com/article/political-pulse/stalin-gov...