The correct answer is option 'A' - Mahao Wildlife Sanctuary.

Explanation:
Mahao Wildlife Sanctuary is located in Andhra Pradesh, India. It is a protected area that is spread over an area of 85 square kilometers. The sanctuary is situated in the Chittoor district of Andhra Pradesh.

Here is some more information about Mahao Wildlife Sanctuary:

1. Location: Mahao Wildlife Sanctuary is located in the Palamaner taluk of Chittoor district in Andhra Pradesh. It is situated on the eastern ghats of South India.

2. Flora: The sanctuary is known for its diverse vegetation. It is home to various species of trees, shrubs, and grasses. The dominant tree species found here include Terminalia arjuna, Albizia amara, Ficus benghalensis, and Acacia leucophloea.

3. Fauna: Mahao Wildlife Sanctuary is home to a variety of wildlife species. The sanctuary is known for its rich avifauna, with over 120 species of birds recorded here. Some of the bird species found in the sanctuary are Indian roller, black-winged kite, white-bellied drongo, and painted stork. Apart from birds, the sanctuary also houses different species of reptiles, amphibians, and mammals.

4. Wildlife Conservation: The main objective of Mahao Wildlife Sanctuary is to conserve the biodiversity of the region. The sanctuary plays a crucial role in protecting the natural habitat of various wildlife species. It also helps in maintaining the ecological balance of the area.

5. Tourism: Mahao Wildlife Sanctuary attracts nature enthusiasts and wildlife lovers from different parts of the country. The sanctuary offers opportunities for wildlife viewing, bird watching, and nature photography. Visitors can explore the sanctuary through guided tours and nature trails.

In conclusion, Mahao Wildlife Sanctuary is located in Andhra Pradesh and is known for its diverse flora and fauna. It serves as an important habitat for various wildlife species and contributes to the conservation of biodiversity in the region.

Answer(a)