The difference between Itihasa and Puranas
Documentation of ancient Indian history and the historical events of Indian civilization in the form of Itihasa and Puranas – Ramayana and Mahabharata.
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