Correct Option (C)
Statement 1 is correct. The Desert National Park is situated in Rajasthan and spans two districts: Jaisalmer and Barmer.
Statement 3 is correct. The Desert National Park serves as a crucial natural habitat for the Great Indian Bustard (Ardeotis nigriceps), a critically endangered species, representing one of its last remaining strongholds.
Incorrect Options
Statement 2 is incorrect. Contrary to the assertion, human habitation exists within the Desert National Park, encompassing several villages. The Supreme Court has previously issued directives concerning the provision of basic facilities to these inhabitants. Since statement 2 is incorrect, options (1), (2), and (4) are therefore invalid.