One of the 28 narakas. As per Vishnupurana Ansh 2 Chapter 6, this is the punishment for indiscriminately felling trees. Yama’s soldiers beat the sinners with whips made of sugarcane leaves and trunks. When they run, the uneven stones cause them to fall down and the soldiers hurt them with the pointed sugarcane leaves, as per Devibhagavata Ashtamaskanda.