The erstwhile name of Arunachal Pradesh was North East Frontier Agency (NEFA). It was renamed as Arunachal Pradesh by Late Sri Bibhabasu Das Shastri, the then Director of Research.
Arunachal Pradesh literally means "Land of Dawn-Lit Mountains" in reference to the beautiful mountains found in the state. It is also known as paradise of the Botanist or Orchid State of India.
Tawang is a popular tourist destinaion of Arunachal Pradesh. The 400 years old Tawang Monastery is the largest monastery in India and the second largest in the world.
Arunachal Pradesh is highly protected so a special permit, Inner line permit is required for domestic as well as foreign tourists.