The correct answer is B.
The area circled in the map is the region of Hindustan, which contains several countries such as India, Pakistan or Bangladesh. Of the countries listed in the question, the only correct option is India.
The Republic of India is located in South Asia, and is the 7th country in the world with the largest territory and it is the second most populated country in the world (after China), with 1.2 billion inhabitants.
