Have you ever wondered how and why popular Indian cities like Mumbai and Calcutta got their names Yes, the names have an ancestral history linked to them, which has dwindled over the centuries and almost been forgotten. In the sixth episode of Devlok with Devdutt Pattanaik Season 3, the mythologist rekindles the relevance of Grama Devis, the goddess of fertility and Gram Devtas, the protector Gods.