Which of the following Indian state has declared Kaiser-i-Hind butterfly as its state butterfly?

A) Sikkim
B) Arunachal Pradesh
C) West Bengal
D) Tripura

Explanation: Arunachal Pradesh Chief Minister Pema Khandu has approved the declaration of large and brightly coloured Kaiser-i-Hind butterfly as the State butterfly. The Kaiser-i-Hind butterfly is scientifically known as Teinopalpus imperialis. The Kaiser-i-Hind literally means Emperor of India.