Option c is the correct answer. The Chalcolithic Age is also called the Copper Age or the Eneolithic Age, as it is characterized by the increasing use of smelted copper along with stone tools. It follows the Neolithic Age and precedes the Bronze Age. Important Tips The Chalcolithic Age in India was a period of transition between the Neolithic and the Bronze Age, marked by the use of both stone and copper tools. The dates assigned to this age are diverse, ranging from 2800 BC to 900 BC , and was mainly seen in the pre-Harappan phase, but also extended to the post-Harappan phase in some places The Chalcolithic cultures in India are identified on the basis of their geographical location, such as the Ahar culture in Rajasthan, the Jorwe culture in Maharashtra, the Kayatha culture in Madhya Pradesh, and the Malwa culture in Gujarat. These cultures had different ceramic traditions, burial styles, art forms, and religious beliefs. They also interacted with each other and with other contemporary cultures such as the Harappan civilization