I read the below on Akbars wiki page and seems absurd to me. Why would he have even cared? This feels like myth to me.
To defend his stance that speech arose from hearing, he carried out a language deprivation experiment, and had children raised in isolation, not allowed to be spoken to, and pointed out that as they grew older, they remained mute.
Similar question found in another thread
Basically, it’s a common myth often attributed to various rulers throughout history