Rahu, Earth @ Srawishta

Human sacrifice is typically intended to pacify gods, bring good fortune, like in the dedication of a completed building, like temple.

Japanese legends talk about people buried alive at base of constructions to protect the buildings against enemy attacks.

Baanabhatta in 7th century, describes a dedication of a temple to Chandika, with a series of human sacrifices.

Haribhadra in 9th century describes sacrifices to Chandika in Orissa.

Kali temple at Kuknur, Karnataka - 8th, 9th century building - has a history of human sacrifices.

Narabali - Human Sacrifice , Wikipedia