Option d is the correct answer. Navdatoli is the name of a modern-day village, but can also refer to a chalcolithic era settlement located on the Narmada River in Madhya Pradesh in central India. The ancient village was inhabited through four temporal stages, each defined by distinct types of pottery. The site was excavated between 1957 and 1959 over two seasons. Important Tips Chalcolithic sites in India: Ahar culture: This culture was in the Banas valley of southeastern Rajasthan and was also known as the Banas culture. It is among the earliest Chalcolithic cultures of India. Daimabad culture: This culture was in the Ahmednagar district of Maharashtra, near the Pravara river. It dates from around 2200 BC to 700 BC and is associated with the Late Harappan phase. Kathya Culture: This Chalcolithic culture was named after the type of site Kayatha, in Ujjain dist., Madhya Pradesh. (Ca. 2450-2000 BC.) Malwa culture: It is the most predominant chalcolithic culture of central India, with a wide distribution of sites almost all over Malwa region. It was first identified in the excavations at Maheshwar, on river Narmada. On the basis of calibrated dates the Malwa culture is placed in the bracket of 1900 − 1400 B C 1900−1400BC. Jorwe culture: It is the most important and characteristic chalcolithic culture of Maharashtra, extending almost all over the present state, excepting the coastal strip on the west and Vidarbha in the north east.