This chapter analyzes the absorption of folk beliefs into urban societies through the process of migration, conquest, or simply cultural flows. The evidence of the Saptamatrika or the Seven Mothers from the folk to the urban complexes has been analyzed on the basis of two major cultural areas, the Indus Valley Civilization and the Vedic Civilization. Terracotta seals found at the Harappan sites indicate the first existence of the heptads or cluster of seven figures and also of the worship of animals and trees and a figure speculatively regarded as proto-Siva. Later Vedic civilization had some mother goddess deities who, with the evolution of time, became recognized as part of the Saptamatrika, indicating a fusion of pre-Vedic and Vedic cultures, the latter coming late, probably through immigration. Later Gupta period witnessed state technologies for consolidating religion and the fusion of classic deities with the folk. The urban cultures therefore cannot be seen as purely bounded in themselves but formed out of amalgamation of several streams, both coming from other time zones and also from other spatial regions. The Saptamatrika, whatever their origin, are today firmly entrenched as a part of urban culture, especially in the South of India.