| Features | Early Vedic Period | Later Vedic Period |
| Location |
Saraswati (Ghaggar-Hakra Channel) was considered the holiestriver |
Story of Videga Madhava (in Satapatha Brahmana): Videga Madhava moved east of River Gandak with help of fire god Agni |
| Reference to Sea | No referenceto Sea in Rig Veda (term ‘Samudra’ meant the collection of water and not sea) | Acquired knowledge of Eastern and Western Sea and also ofNarmada and Vindhyan Mountains |

