• Dean/Faculty of Science Jun 2017 – Jun 2020
• Head of the Department  Aug 2010 – 2013

Publications

• E. C. Jeyaseelan, M. K. Pathmanathan and J. P. Jeyadevan, Inhibitory Effect of DifferentSolvent Extracts of Vitex negundo L. and Allium sativum L. on Phytopathogenic Bacteria. Archives of Applied Science Research, 3 (1): 1-8, 2011.
• N. Sivanayani, J. P. Jeyadevan, and K. Pathmanathan. Antifungal Activity of Punica granatum.L and Solanum nigrum.L on Plant Pathogenic Fungi, Proceeding of Jaffna Science Association, 15, pp. 2, 2008.
• E. Vanathy, J. P. Jeyadevan, K. Pathmanathan, and C. Arunagirinathan. Petroleum Ether Extract of Leaf of Azadiracta indica Inhibits Plant and Human Pathogenic Bacteria, Proceeding of Jaffna Science Association, 15, pp. 5, 2008.
• E. Vanathy, J. P. Jeyadevan, and K. Pathmanathan. “The Effect Leaf Extract of Aegle Marmelos on Pathogenic Bacteria”, In Proceeding of Jaffna Science Association, 15, pp. 6, 2008.
• K.Uthayarasa, K. Pathmanathan, J. P. Jeyadevan, and C. Arunagirinathan. Antibacterial Activity of Different Solvent Extract of Ocimum Sanctum, Proceeding of Jaffna Science Association, 15, pp. 8, 2008.
• K. Uthayarasa, K. Pathmanathan,  and J. P. Jeyadevan, The Effect of Ethanol and Methanol Extract of Punica granatum on Pathogenic Bacteria, Proceeding of Jaffna Science Association, 15, pp. 10, 2008.
• T. Vinuja, K. Pathmanathan, and J. P. Jeyadevan. The Growth of Colletotrichum sp and Fusarium sp is Suppressed by Lawsonia inermis. Proceeding of Jaffna Science Association, 15, pp. 12, 2008.
• E. C. Jeyaseelan, K. Pathmanathan, J. P. Jeyadevan, and C. Arunagirinathan. Efficacy of the Inhibitory Effect of Soxhlet Extraction of Allium sativum on Bactetial Pathogens, Proceeding of Jaffna Science Association, 15, pp. 13, 2008.
• E. C. Jeyaseelan, K. Pathmanathan, J. P. Jeyadevan, Pseudomonas solanacearum is highly Sensitive to Ethanol Extract of Viex negundo, Proceeding of Jaffna Science Association, 15, pp. 16, 2008.

1. CHE221GE2: Chemistry of electron deficient compounds, transition and inner-transition elements
2. CHE222GC2: Chemistry of polynuclear aromatic hydrocarbons, carbonyl and alicyclic compounds
3. CHE322GE2:  Rearrangement reactions and Heterocyclic chemistry
4. CHE303MC3:  Pericyclic reactions and Photochemistry
5. CHE423ME3:  Chemistry of Secondary Metabolites and Therapeutic Agents