Simlipal National Park is the correct answer.

Simlipal National Park, located in the state of Odisha in India, is both a National Park and a Tiger Reserve. It is one of the most important protected areas in the country and is known for its rich biodiversity and natural beauty.

Here is a detailed explanation of Simlipal National Park:

Geographical Location:
- Simlipal National Park is located in the Mayurbhanj district of Odisha, in the eastern part of India.
- It is situated in the Eastern Ghats range and covers an area of about 2,750 square kilometers.
- The park is surrounded by hills, forests, and rivers, creating a diverse and picturesque landscape.

Flora and Fauna:
- Simlipal National Park is renowned for its diverse flora and fauna.
- The park is home to several species of animals including tigers, elephants, leopards, Indian bison, wild boar, sambar deer, and many more.
- It is also a haven for birdwatchers as it houses over 230 species of birds, including the rare white-rumped vulture and the great hornbill.
- The park is covered with lush green forests, mainly consisting of Sal trees, along with bamboo groves and grasslands.

Tiger Reserve:
- In addition to being a National Park, Simlipal is also a Tiger Reserve.
- It was declared as a Tiger Reserve in 1956 and is one of the first nine Tiger Reserves in India.
- The reserve aims to protect the endangered Bengal tigers and provide them with a safe habitat.
- The park has been successful in its conservation efforts, and the tiger population has shown a positive growth trend in recent years.

Conservation Efforts:
- Simlipal National Park is actively involved in various conservation initiatives.
- The park has implemented strict anti-poaching measures to protect its wildlife.
- It also focuses on habitat management, fire control, and community involvement in conservation activities.
- The park authorities work closely with local communities to promote sustainable livelihoods and create awareness about the importance of wildlife conservation.

Conclusion:
Simlipal National Park in Odisha is a significant protected area that not only preserves the diverse flora and fauna but also plays a vital role in the conservation of the majestic Bengal tigers. Its stunning landscapes and rich biodiversity make it a popular destination for nature lovers and wildlife enthusiasts.