Post Urban Phase of Harappan Culture

Post Urban Phase of Harappan Culture. It is also known as sub Indus culture in which stylistic homogenity of urban phase disappeared. some traits of post urban phase culture are found in Pakistan and in central and western India , in Punjab, in rajasthan, Haryana, Jammu and Kashmir , Delhi and wetern Uttar Pradesh . they broadly cover the period from 1900 BCE to 1200 BCE. They are primarily chalcolithic who lived in villages living on agriculture, animal breeding, hunting and fishing.
Prabhas Patan ( Somnath) and Rangpur both in Gujrat are direct descendants of Harappan culture but Ahar near Udaipur shows only a few element of Harappan culture. 
No object for measuring length have been noticed.