With reference to India's Desert National Park, which of the following statements are correct? 1. It is spread over two districts. 2. There is no human habitation inside the Park. 3. It is one of the natural habitats of Great Indian Bustard. Select the correct answer using the code given below:

1. It is spread over two districts. — Correct. Desert National Park lies mainly in Jaisalmer and Barmer districts of Rajasthan.
2. There is no human habitation inside the Park. — Incorrect. The park has villages/dhanis and human use areas within/around its notified landscape; it is not an entirely uninhabited protected area.
3. It is one of the natural habitats of Great Indian Bustard. — Correct. Desert National Park is a major natural habitat and stronghold of the Great Indian Bustard.

Therefore, statements 1 and 3 only are correct.