The Indian Rhinoceros or the Great One-horned Rhinoceros or the Asian One-horned Rhinoceros ( Rhinoceros unicornis ) is a large mammal primarily found in Pakistan , north-eastern India , Nepal and parts of Bhutan . The Indian Rhinoceros ( Rhinoceros unicornis ) is also called Greater One-horned Rhinoceros and Asian One-horned Rhinoceros and belongs to the Rhinocerotidae family .