About INSSSL

Institute of National Security Studies Sri Lanka (INSSSL) is the premier National Security Think Tank of Sri Lanka established under the Ministry of Defence.


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The Institute of National Security Studies(INSSSL) is the premier national security think tank of Sri Lanka under the Ministry of Defence, established to understand the security environment and to work with government to craft evidence based policy options and strategies for debate and discussion to ensure national security. The institute will conduct a broad array of national security research for the Ministry of Defence.

Its Vision is "To secure Sri lanka by nurturing visionary,collective,and decisive leaders in security policy and decision making."


Its Mission is "To enhance National Security of Sri Lanka through excellence in research, education,and networking."


INSSSL is setup with the objectives:
  • To provide sound and timely assessment on facets of national security
  • To secure Sri Lanka from threats to its national security.
  • To serve as a platform for government, private sector and civil society to collaborate, debate and discuss issues affecting Sri Lanka's security and stability to synergize and draw from a spectrum of thinkers and planners.
  • To serve as a nucleus for deliberations and as a capacity builder for strengthening institutions on national security aspects.
  • To serve as a central repository of knowledge for both scholars and practitioners committed to the nation's unity and harmony.


  • The Board of Governors include His Excellency the President Gotabaya Rajapaksa President/Patron of INSSSL, Chairman of the Institute is the Secretary of Defence along with other board members including Chief of Defense Staff and Commanders of the three Armed Forces. INSSSL Director General is Admiral Professor Jayanath Colombage.

    Contact: inss.srilanka@gmail.com
    Sri Lanka