The Dimasa Kachari Ruins are a set of ruins located is in Dimapur, Nagaland. Their history dates back to the 10th century when they appeared during the Dimasa Kachari civilization. The Dimasa Kachari Ruins is a series of mushroom domed pillars. They were created by the Dimasa Kachari Kingdom, which ruled here before the Ahom invasion into the territory during the 13th Century AD. Their origin and purpose are largely mysterious.The pillars are not well maintained. Some pillars still stand in all their glory but others have crumbled down. It is believed that a game similar to chess was played there with the mushroom dooms. Present Day- The ruins have long been neglected by the people and the government. It is a protected monument but not a single guard or police personnel can be seen there. More has to be done to preserve what is left of it.