The correct answer is: b) Burma (Myanmar).
Arunachal Pradesh is a state in northeastern India. It is bordered by China to the north, Bhutan to the east, Nagaland and Assam to the south, and Myanmar to the west. The state has a population of over 1.3 million people and its capital is Itanagar.
Arunachal Pradesh is a strategically important state due to its proximity to China and Myanmar. During World War II, the Japanese army invaded Burma and advanced towards India. The British Indian Army fought a series of battles against the Japanese in Arunachal Pradesh, which helped to prevent the Japanese from invading India.
The strategic importance of Arunachal Pradesh has continued in the post-war era. The state is located on the border between India and China, and it is a potential flashpoint for conflict between the two countries. The Indian government has built a number of military bases in Arunachal Pradesh to deter Chinese aggression.
The other options are incorrect because they are not located near Arunachal Pradesh. China is located to the north of Arunachal Pradesh, Myanmar is located to the west, Japan is located to the east, and Nepal is located to the south.