The ancient site of Katpalon has an area of about 3.5 acres. Small scale archaeological excavations at the site have yielded a sequence of three cultures in a deposit of 6 meter. In Period I, Painted Grey Ware culture has been found interlocked with Late Harappan culture. An oval structure, in a dilapidated condition has been found. Associated with this period, other finds include copper antimony rods, terracotta beads and wheels. The period, after a break, was followed by Kushana occupation (Period II) represented by typical Kushan pottery, beads and animal figurines. Period III is represented by medieval pottery, terracottas and beads.
In view of its historical importance, it was declared protected as a monument of national importance vide notification no. 4/7/67/-CAI (I) dated 05.03.1968.