The paper reports in detall the damage to buildings during the December 31, 1984 Cachar earthquake in Northeast Indla. The mud houses were damaged badly and their collapse caused 13 deaths. The Assam type construction using brick masonry has mainiy suffered damage to masonry portlons. The light timber construction has generally been tilted due to absence of diagonal bracings and not burying the timber posts Into the ground. A detailed discussion and the possible inferences which will be helpful in future construction are given.