The BILIA Library has books on law, political science, geography, international politics, gender studies, international relations, foreign policy, international trade, globalization, strategic studies, law of the sea, security studies, peace and conflict studies, area studies, disarmament studies, public administration, history, philosophy, international humanitarian law, human rights law, governance, public policy, diplomacy, religion, cultural studies, anthropology, political theory, criminal law, criminal justice, south asian studies, economics, governance studies, global studies, development studies, sociology, constitutional law, public international law, refugee law, political philosophy.

The library has a collection of 10,000 books covering the abovementioned disciplines. With a view to better serve the library users BILIA has undertaken an initiative to expand its library and to bring about a qualitative change in information management. Keeping in mind the changing need of library users, BILIA is also in the process of digitalizing its library.