The Gayatri Mantra, found in the third Mandala of the Rigveda, is dedicated to Savitri, the solar deity representing the stimulating power of the sun.

The Rigveda is the oldest of the four Vedas, composed around 1500 BCE. It consists of 1,028 hymns dedicated to various deities.

Scholars generally agree that 'Aryan' primarily denotes a linguistic group comprising speakers of Indo-European languages, rather than a distinct race or ethnic group.

The 'Priest-King' is a small steatite bust discovered at Mohenjo-daro. It depicts a man with a well-groomed beard wearing a headband and a robe with a trefoil pattern, symbolizing high status.

The Great Bath is the most famous structure at Mohenjo-daro. It is a large, watertight pool built with finely fitted bricks and bitumen sealant, believed to have been used for ritualistic bathing.

Rai Bahadur Daya Ram Sahni led the excavations at Harappa in 1921 under the direction of Sir John Marshall. This work established the existence of the Indus Valley Civilization.

Kalibangan has yielded evidence of a series of raised brick platforms with fire altars (havan kunds). This suggests that fire worship or ritual sacrifice was a component of the religious life in this region.

The Great Granary is a massive brick structure found at Mohenjo-daro. Its design includes air ducts to keep the interior dry, suggesting it was used to store grain reserves for the city.

Surkotada in Gujarat is significant because archaeologists have reported finding horse remains there dating to around 2000 BCE. This is controversial and significant because the horse is generally considered absent from the Harappan civilization.

The Harappans were a Bronze Age civilization. They had mastered the metallurgy of copper, bronze, lead, gold, and silver. However, the use of iron was unknown to them and appeared much later in the Iron Age.