A
Corbett
B
Ranthambore
C
Nagarjunsagar-Srisailam
D
Sunderbans
Correct answer: (c) Nagarjunsagar-Srisailam
Explanation
- A
Corbett
Corbett. Large, not the largest CTH in this list.
- B
Ranthambore
Ranthambore. Much smaller core.
- C
Nagarjunsagar-Srisailam
Nagarjunsagar–Srisailam. India’s largest tiger reserve core / critical tiger habitat among these four.
- D
Sunderbans
Sundarbans. Huge landscape; the notified CTH is still smaller than NSS.
Summary. Official key is (c). Nagarjunsagar–Srisailam has the largest Critical Tiger Habitat in this set. Corbett, Ranthambore and the Sundarbans are smaller on that specific notified-core measure.