Pandu Rajar Dhibi[1] in the valley of the river Ajay is an Archaeological site in Ausgram II block in the Sadar North subdivision of Purba Bardhaman district in the Indian state of West Bengal.

[3][4] It is located near the southern bank of Ajay River and excavations have been made near Rajpotdanga and Panduk villages.

[4] While Pandu Rajar Dhibi was the first Chalcolithic or Copper Age site to be discovered, a number of other sites have been discovered in an area spread over the districts of Birbhum, Bardhaman, Bankura and Midnapore, and interspersed by rivers Brahmani, Mayurakshi, Kopai, Ajay, Kunur, Damodar, Dwarakesvar, Shilabati, and Rupnarayan later in 1962 to 63 the archaeology department of West Bengal excavated some areas of Ajay, Kunur, Kopay in Birbhum and Bardhaman district through this excavation the archaeologists found some elements of ancient civilizations that was existed in 1500 BCE the excavated site nearest the South Bank of a river origin name as Rajar dhibi as The Scholars found its main Mound associate with the "Pandu Raja" mentioned in the Mahabharata .

From an examination of skeletal remains (14-male, female & children) it appears that they were long-headed and medium to tall in height.

The excavation at Pandu Rajar Dhibi has provided evidence for the gradual growth of a Chalcolithic culture and its displacement by iron-using people.