The Chalcolithic Ahar Culture has been identified in which of the following river systems ?

The Ahar culture, also known as the Banas culture, is a significant Chalcolithic archaeological culture dating from approximately 3000 BCE to 1500 BCE. It was primarily located in the southeastern region of Rajasthan, specifically within the valleys of the Banas River and its tributary, the Berach River.

• Key Sites: Major excavated sites include Ahar (near Udaipur), Gilund, Balathal, and Ojiyana.
• Characteristics: It is distinguished by its unique black-and-red ware pottery and a heavy reliance on copper, facilitated by the proximity to copper ores in the Aravalli Range.
• Other Options: The Sarayu-Ganga system (A) is associated with the Ochre Coloured Pottery (OCP) culture; the Krishna-Tungabhadra system (B) is linked to the Southern Neolithic-Chalcolithic cultures; and the Brahmaputra-Meghna system (D) relates to Eastern Neolithic traditions.