How did civilization develop in ancient India?

I'm assuming you mean the very start of civilization. There are theories that the first people may have evolved in the forests of the subcontinent in the same time a separate group evolved in Africa. read more

In Pakistan and northwest India, the Indus Valley Civilization had a writing system, standard weights and measures, carefully planned cities with sewage systems and running water serving some of the homes, mud brick and stone architecture, roads, trade in gems, spices, silk, cotton cloth, conveyed by caravans and ships to cultures in Iran, (Elam, Susa and Jiroft) Iraq (Sumer), and Egypt. read more

This civilization is known by many names: Ancient India, Indus Valley, and Harappan Civilization. Historians and archeologists believe the Indus Valley Civilization began around 3000 BCE. There is evidence of trade between Ancient India and Mesopotamia as early as 3200 BCE. read more