Bandipur sanctuary is located in the state of

Bandipur National Park is a national park in Karnataka, India, that was established in 1974 as a tiger reserve under Project Tiger.

Bandipur Tiger Reserve was previously a private hunting reserve for the Maharaja of the Kingdom of Mysore, but it has recently been improved.

Bandipur is notable for its biodiversity and features a variety of biomes, the most prevalent of which is dry deciduous forest.

Hence, option C is correct, i.e., Karnataka