Sariska National Park is the correct answer as it is located in Rajasthan, India.

Here is a detailed explanation of the answer:

1. Introduction:
- Sariska National Park is a popular wildlife destination located in the Alwar district of Rajasthan.
- It is a part of the Aravalli Range and covers an area of approximately 866 square kilometers.
- The park is known for its diverse flora and fauna, including tigers, leopards, sambar deer, nilgai, and various species of birds.

2. Location:
- Sariska National Park is situated in the Aravalli hills in the Alwar district of Rajasthan.
- It is approximately 107 kilometers away from Jaipur, the capital city of Rajasthan.
- The park is well-connected by road and can be easily reached from nearby cities.

3. Wildlife:
- Sariska National Park is home to a wide range of wildlife species.
- The park is famous for its population of Royal Bengal tigers, which are a major attraction for visitors.
- Other animals found in the park include leopards, striped hyenas, wild boars, langurs, and various species of deer.
- Sariska is also a paradise for birdwatchers, with over 200 species of birds recorded in the park.

4. Vegetation:
- The park is characterized by dry deciduous forests, grasslands, and rocky hills.
- Dhok trees dominate the landscape, along with other species like khair, ber, and salai.
- The varied vegetation provides a suitable habitat for a diverse range of wildlife.

5. History and Conservation:
- Sariska National Park was declared a wildlife reserve in 1955 and later upgraded to a national park in 1979.
- The park faced significant challenges in the past, including poaching and a decline in tiger population.
- However, efforts have been made to conserve the ecosystem and protect wildlife.
- Conservation initiatives, including anti-poaching measures and habitat restoration, have helped in the recovery of the tiger population.

In conclusion, Sariska National Park is a well-known national park located in Rajasthan. With its rich biodiversity and conservation efforts, it offers a unique experience for nature and wildlife enthusiasts.

Answer: D. Sariska National Park
Explanation:
The National Park located in Rajasthan is Sariska National Park. Here are some key details about Sariska National Park:
- Location: Sariska National Park is located in the Alwar district of Rajasthan, India.
- Distance: It is situated around 107 kilometers from Jaipur, the capital city of Rajasthan.
- Area: The park covers an area of approximately 866 square kilometers.
- Tiger Reserve: Sariska National Park is also a tiger reserve, aiming to protect and conserve the Bengal tigers.
- Wildlife: The park is home to various species of animals, including tigers, leopards, hyenas, jackals, sambar deer, chital deer, wild boars, and many more.
- Bird species: Sariska National Park is also known for its diverse bird population, with over 200 species of birds found in the park.
- Vegetation: The park consists of dry deciduous forests, grasslands, rocky landscapes, and hilly terrains.
- Historical significance: The area surrounding Sariska National Park has historical importance, with the presence of ancient temples, forts, and ruins of medieval structures.
Visiting Sariska National Park provides an opportunity to witness the beauty of nature, observe wildlife, and explore the historical heritage of the region.