Which one of the following is a Neolithic site?

Utnur, located in Andhra Pradesh, is a Neolithic site famous for its ash-mounds, which are believed to be the remains of burnt cattle-pen accumulations of Neolithic pastoralists in the South Indian Neolithic culture. Bhimbetka is a Palaeolithic/Mesolithic site famous for rock paintings. Adamgarh (in Madhya Pradesh) and Birbhanpur (in West Bengal) are Mesolithic sites. Hence, Utnur is the correct Neolithic site among the four options.