Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate and arctic?

a) Khangchendzonga National Park
b) Nandadevi National Park
c) Neora Valley National Park
d) Namdapha National Park

And-[D] 

Explanation– Namdapha National Park is the largest protected area in the Eastern Himalaya biodiversity hotspot and is located in Arunachal Pradesh in Northeast India. The habitat changes with increasing altitude from tropical moist forests to Montane forests, temperate forests and at the higher elevations, to Alpine meadows and perennial snow. The park has extensive bamboo forests and secondary forests in addition to the primary forests.