The Postgraduate Institute of Humanities and Social Sciences (PGIHS) conducts study programmes under five Boards of Study leading to Degrees and Diplomas in almost all subjects in Humanities and Social Sciences and in some interdisciplinary fields. They include academic disciplines such as Geography, Sociology, Archaeology, History, Political Science, Sinhala, Tamil, English, Arabic, Economics, Philosophy, Psychology, Pali and Sanskrit, specializations such as Buddhist Studies, Greek and Roman Studies, Fine Arts, Hindu Civilization, Islamic Civilization, professional and career oriented fields such as Applied Economics, Development Practice, Education, Management and Social Work, interdisciplinary study programmes inInternational Relations, Comparative Religion, Cultural and Area Studies.
In addition to the above study programmes leading to degrees and diplomas PGIHS also conducts short-term skills development courses for professionals and practitioners.