Introduction:
Achanakmar Tiger Reserve has been in the news recently. It is important to know the location of this tiger reserve, as it helps in understanding its significance and conservation efforts. The correct answer to the given question is option B - Chhattisgarh.

Explanation:
Here is a detailed explanation of why the Achanakmar Tiger Reserve is located in Chhattisgarh.

Achanakmar Tiger Reserve:
- Achanakmar Tiger Reserve is one of the prominent tiger reserves in India.
- It is situated in the Bilaspur district of Chhattisgarh.
- This tiger reserve is spread across an area of approximately 914 square kilometers.
- It was established in 2009 under the Wildlife Protection Act of 1972 and the Project Tiger initiative.
- The reserve is named after the Achanakmar Wildlife Sanctuary, which is a part of it.

Location:
- Chhattisgarh is a state located in central India.
- It shares its borders with several other states, including Madhya Pradesh, Maharashtra, Telangana, Andhra Pradesh, Odisha, Jharkhand, and Uttar Pradesh.
- The state is known for its rich biodiversity and is home to several wildlife sanctuaries and national parks.

Importance:
- Achanakmar Tiger Reserve is significant for its conservation efforts to protect the endangered Bengal tigers.
- The reserve also supports a diverse range of flora and fauna, making it an important ecological hotspot.
- It is known for its lush green forests, rolling hills, and meandering streams, providing a suitable habitat for various species.

Conservation Efforts:
- The Achanakmar Tiger Reserve is actively involved in conservation activities to protect the tiger population and their habitat.
- Measures such as anti-poaching drives, habitat restoration, and community participation are undertaken to ensure the well-being of the tigers.
- The reserve also focuses on creating awareness among the local communities about the importance of wildlife conservation.

Conclusion:
The Achanakmar Tiger Reserve is located in Chhattisgarh. It is an important tiger reserve known for its conservation efforts and rich biodiversity. The reserve plays a crucial role in protecting the endangered Bengal tigers and their habitat.