 Hakra Ware culture is a material culture which is contemporaneous with the early Harappan Ravi phase culture (3300-2800 BCE) of the Indus Valley.According to Dikshit and Rami, the estimation for the antiquity of Bhirrana as pre-Harappan is based on two calculations of charcoal samples, giving two dates of respectively 7570-7180 BCE, and 6689-6201 BCE.According to Rao, the excavation has revealed these cultural periods; Period IA