Nagpur University researchers discovered what they thought were the remains of a virtually 3,000-year-old civilization in Maharashtra's Yavatmal district.
The artefacts and environment indicate around 3,000-year-old age.
The team found structural remains of circular houses with limestone floors with wooden posts at their periphery.
The cultural sequence of the findings starts with the Iron Age on the basis of pottery and artefact remains found.
It was followed by the Satavahana period, the Medieval period, and then it was used as a watch tower during the Nizam era.