Mispronunciation that killed an Asura – Vedic Sanskrit is not Classical Sanskrit
He uttered the words – no mistake in the syllables, but one mistake in the pitch, and the effects reversed! He got the exact opposite of what he hoped for!
Speed of Light in Sayana’s commentary on Rigveda
An alternate thorough research into the Speed of Light mentioned in Sayana’s commentary on Rig Veda – 2200 yojanas in half a nimesha