The book "Asian Drama" by Gunnar Karl Myrdal is primarily a book on the subject of economics. Gunnar Karl Myrdal was a Swedish economist and the book was first published in 1968. It is a comprehensive study that examines the economic, social, and political development in Asia.

Option 1, "Theater Movements in Asia," is incorrect. Although the book may touch on cultural aspects of Asia, the main focus is not on theater movements.

Option 3, "International Politics," is incorrect. While the book does discuss political issues and their impact on the development of Asian countries, international politics is not the central subject of the book.

Option 4, "Look East Policy of India," is incorrect. The book was published before India implemented the Look East Policy, which aimed to strengthen economic and strategic relations with East Asian countries.

Therefore, the correct answer is option 2, "Economics." Gunnar Karl Myrdal`s "Asian Drama" provides a comprehensive analysis of the economic challenges and development in various Asian countries.