Don't be too enamored. These are fairly standard right wing talking points in India. From his comments on Gandhi and Pythagoras one can easily infer that he is a supporter of Narendra Modi and Hindu supremacy.
Pythagoras' school provided the earliest documented proof of the theorem, but the result was possibly known as early as 3000 BC.
As for Gandhi, he grew up in a strictly birth based hierarchical society and he pretty much accepted social and racial hierarchies until his thoughts evolved circa 1913. Most of Gandhi's racist quotes come from before 1910.
Pythagoras' school provided the earliest documented proof of the theorem, but the result was possibly known as early as 3000 BC.
As for Gandhi, he grew up in a strictly birth based hierarchical society and he pretty much accepted social and racial hierarchies until his thoughts evolved circa 1913. Most of Gandhi's racist quotes come from before 1910.