Concept:Vikramkhol Cave is a prehistoric rock shelter known for its ancient inscriptions.Explanation:The cave is situated in Odisha, near Jharsuguda town.It lies within the reserved forest of the Belpahar Range, about 12 km from Belpahar.The inscriptions are made using red ocher paint on an uneven rock surface inside a natural shelter.They were discovered around 1930 and first studied by Dr. K.P. Jaiswal.This site is an important archaeological heritage of Odisha.Answer:Odisha