The correct answer is (b). Manas National Park is located in the state of Assam, India. It is a UNESCO World Heritage Site and a Tiger Reserve. The park is home to a variety of wildlife, including tigers, elephants, rhinoceroses, and leopards. It is also home to a number of endangered species, such as the pygmy hog and the greater one-horned rhinoceros. The park is a popular tourist destination, and is known for its beautiful scenery and its wildlife.
Option (a) is incorrect because Bihar is a state in eastern India. Manas National Park is not located in Bihar.
Option (c) is incorrect because Gujarat is a state in western India. Manas National Park is not located in Gujarat.
Option (d) is incorrect because Odisha is a state in eastern India. Manas National Park is not located in Odisha.