Model papers prepared by Academics of University of Sri Jayewardenepura can be downloaded from Open Learning platform of the University.
http://www.sjp.ac.lk/sites/openlearn/course/al-2015-exam-model-paper-discussions/
A/L Combinef Mathematics Model Papers by Kapila Silva, Lecturer, Department of Mathematics
http://www.sjp.ac.lk/sites/openlearn/lesson/model-paper-al-2015-combined-mathematics/download-al-2015-mathematics/
A/L Biology Model Papers by Prof. Hiran Amarasekera, Department of Forestry and Environment Science
http://www.sjp.ac.lk/sites/openlearn/lesson/al-2015-biology/
A/L Economics Model Paper by Ananda Rathnayake,
Senior Lecturer, Department of Business Economics
A/L 2015 Economics Model Paper by Ananda Rathnayake