Chinnar Wildlife Sanctuary is located 18 km north of Marayoor on State Highway 17 in the Marayoor and Kanthalloor panchayats of Devikulam taluk in the Idukki district of Kerala state in South India. It is one of 18 wildlife sanctuaries among the protected areas of Kerala.

Flora

• The flora of Chinnar Sanctuary includes a stunning variety of flowering plants numbering upto 965 species. Rare medicinal plants, many of them endemic to the Western Ghats, can also be found in the sanctuary.  

Fauna

• The Chinnar forests support a diverse variety of mammals, reptiles, birds and butterflies. The star among them is the Grizzled Giant Squirrel, a large tree squirrel. In Kerala, the Grizzled Giant Squirrel is found only in the riparian forest of the Chinnar Sanctuary. The rare Manjampatti White Bison, a gaur noted for its distinctive ash-grey color, is another special inhabitant spotted in the sanctuary.
• Other important mammals found are the rare Rusty Spotted Cat, Nilgiri Tahr, Elephant, Tiger, Leopard, Gaur, Wild Boar, Sambar, Spotted Deer, Barking Deer, Porcupine, Wild Dog, Common Langur, Bonnet Macaque, Jackal, Sloth Bear, Nilgiri Langur, Jungle Cat, Bison, Spotted Deer and Sambar.

Hence, Option A is Correct .

Eravikulam National Park is a 97 km2 national park located along the Western Ghats in the Idukki and Ernakulam districts of Kerala in India. It is the first national park in Kerala. It was established in 1978.

Flora

• Neelakurinji, a mass flowering plant which blooms once in twelve years, grows in abundance in the Eravikulam Park. The park is a must-visit place during the kurinji flowering season.
• Large number of rare varieties of plants, quite endemic to the Western Ghats, grows in the park.

Fauna

• Besides the Nilgiri Tahr, the prestigious inhabitant of the park is Atlas Moth (Attacus atlas), which has the largest surface area of wings among all moths.
• Twenty-six species of mammals have been identified in the park. Besides the Nilgiri Tahr, the ungulates in the park include Gaur, Indian Muntjac and Sambar Deer. The predators include Golden Jackal, Jungle Cat, Wild Dog, Dhole, Leopard and tiger. Nilgiri Langur, Stripe-necked Mongoose, Indian Porcupine, Nilgiri Marten, Small Clawed Otter, Ruddy Mongoose, and Dusky Striped Squirrel are also among the inhabitants of the park.
• Nilgiri Marten, Small Clawed Otter, Ruddy Mongoose, Small Indian Civet and Macaques can also be spotted in the park. 

Hence, Option D is correct.

Kudremukha is the name of a mountain range and an individual mountain peak located in Chikmagaluru district, in Karnataka, India. It is also the name of a small hill station and iron ore-mining town situated near the mountain, about 20 kilometres from Kalasa in Kalasa Taluk. 

• The Kudremukh or Horse Face Range is situated 95 Kms southwest of Chickmagalur town. The broad hills which overlook the Arabian Sea are chained to one another with deep valleys and steep precipices and is so named because of the unique shape of the Kudremukh peak which has the highest elevation at 1892 metres. The park named after the peak, extends over three districts, Dakshin Kannada (South Kanara), Chickmaglur and parts of Udupi and stretches between Narasimha Parvatha (in Sringeri Taluk) in the north to the Jamalabad Fort (in Belthangady Taluk) in the south. The park is divided into four ranges Kudremukh, Kerekatte, Kalsa, Shimoga. 
• The park is particularly rich in the diversity of birds. Approximately 195 types of birds are found in the park. This  includes rare birds like the Malabar trogon, great pied hornbill, Malabar whistling thrush and the imperial pigeon.
• The park is quite rich in water resources. The famous Tunga, Bhadra and Netravati rivers flows through the park. Apart from these, there are numerous seasonal streams. The Park also has in its vicinity pilgrimage centers like Sringeri, Ganga Moola and Annapurneshwari Temple, which makes this place a favorite among tourists.

Hence, Option B is Correct.