Complex sentence: He was an excellent tennis player and an enthusiastic big game hunter with many encounters including one in which he lost his left arm to a panther (in Silchar, Assam), tossed by a Gaur and trampled by an Indian Rhinoceros.
Split into simpler sentences: He was an excellent tennis player and an enthusiastic big game hunter. He lost his left arm to a panther (in Silchar, Assam), was tossed by a gaur and trampled by an Indian rhinoceros.