(a) Sathyamangalam Tiger Reserve
(b) Nallamala Forest
(c) Nagarhole National Park
(d) Seshachalam Biosphere Reserve
Answer: (a)
Option (a) is correct:
Sathyamangalam Tiger Reserve is the largest wildlife sanctuary located in the Erode district of Tamil Nadu. It is a part of the Nilgiri Biosphere Reserve and lies between the Western Ghats and the Eastern Ghats. The reserve also adjoins four other protected areas: Biligiriranga Swamy Temple Wildlife Sanctuary, Sigur Plateau, Mudumalai National Park and Bandipur National Park. Additional Information:
O Nallamala Forest: It is one of the largest undisturbed stretches of forest in South India. It is located in Nallamala Hill, which is a part of the Eastern Ghats. The forest has a good tiger population, and a part of the forest belongs to the NagarjunsagarSrisailam Tiger Reserve.
O Nagarhole National Park: It is also known as Rajiv Gandhi National Park. The word ‘Nagarahole’ means ‘Cobra-river’ in Kannada. It is spread between the Kodagu and Mysore districts of Karnataka. Nagarahole River flows through the park and gradually joins the Kabini River, which also is a boundary between Nagarahole and Bandipur. Nagarhole has the highest congregation of the Asian elephant in the world Nagarhole has the highest congregation of the Asian elephant in the world.
O Seshachalam Biosphere Reserve: Seshachalam hills, the first Biosphere Reserve in Andhra Pradesh, is located in the southern Eastern Ghats of Chittoor and Kadapa districts. It is the richest floristic hotspot harbouring many endemic and rare plants.

