Consider the following statements regarding the Great One-Horned Rhino:

1. They are critically endangered under IUCN status.

2. Apart from India they are found in Bhutan, Nepal, Indonesia and Malaysia.

3. Pobitora wildlife sanctuary harbors the highest density of Rhinoceros in the world and the second-highest concentration of Rhinoceros in Assam after Kaziranga National Park.

Which of the above statements is/are correct?