Source: – Subhash Kak / Twitter.
Indian textbooks say that India had no writing before Ashoka (and Indus has nothing to do with Brahmi).
But theory of Brahmi's invention during Ashokan period was disproven over 20 years ago by Coningham et al (Ref 6 in the linked paper).https://t.co/dwvGNmpYte
— Subhash Kak (@subhashkak1) July 24, 2019
