pdn D61429 2000 University of Peradeniya 130 837 pdn Peradeniya pdnitc D47961 200 IT Center, University of Peradeniya 1944 pdn pgis D44234 100 Postgraduate Institute of Science 620 true pdn pdnmipl D53288 40 Mahailluppallama Sub Campus, University of Peradeniya 135 true pdn pgia D50051 40 Postgraduate Institute of Agriculture 140 true pdn pgihss D57140 40 Postgraduate Institute of Humanities and Social Sciences 545 true pdn