Dean/Faculty of Science
Prof. R. G. S. C. Rajapakse
B.Sc. (Perad.), M.Phil. (Perad.), Ph.D. (Hokkaido, Japan) +94 81 238 9126, +94 81 239 (4400), 4505
+94 81 238 8018
deansci@pdn.ac.lk
Head/Department of Botany
Prof. K.M.G. Gehan Jayasuriya
B.Sc. (Perad.), Ph.D. (Kentucky, USA) +94 81 239 (4520), 4527
botany@pdn.ac.lk
Head/Department of Chemistry
Prof. Manawadevi. Y. U. Ganehenege
B.Sc. (Perad.), Ph.D. (Wayne State, USA) +94 81 239 (4420), 4432
headchem@pdn.ac.lk
Head/Department of Environmental and Industrial Sciences
Dr. B.S. Dassanayake
B.Sc. (Perad.), Ph.D. (Western Michigan, USA) +94 81 239 (4647), 4587
headeis@sci.pdn.ac.lk
Head/Department of Geology
Dr. U. B. Amarasinghe
B.Sc. (Perad.), M.Sc. (AIT, Thailand), Ph.D. (Adelaide, Australia) +94 81 239 (4201),
geology@pdn.ac.lk
Head/Department of Mathematics
Dr. T. H. K. R. De Silva
B.Sc. (Perad.), Ph.D. (Tennessee, USA) +94 81 239 (4550), 4553
maths@pdn.ac.lk
Head/Department of Molecutar Biology and Biotechnology
Head/Department of Physics
Dr. V. Sivakumar
B.Sc. (Perad.), M.Sc., Ph.D. (Atlanta, USA) +94 81 239 (4581), 4611
physics@pdn.ac.lk
Head/Department of Statistics and Computer Science
Dr. Sachith P. Abeysundara
B.Sc. (Perad.), M.Sc., Ph.D. (Texas Tech, USA) +94 81 239 (4640), -
headscs@sci.pdn.ac.lk
Head/Department of Zoology
Director/Science Education Unit (SEU)
Coordinator /English Language Teaching Unit (ELTU)
Assistant Registrar/Faculty of Science
Mrs. D.M.I.N.J. Dissanayake
B.Sc., M.Sc.(Perad) +94 81 239 (4401),
+94 81 238 8018
arsci@pdn.ac.lk
Assistant Bursar/Faculty of Science
Ms. Chandima Muhandiram
+94 81 239 (4402),
+94 81 238 8018
chandimam@sci.pdn.ac.lk