Mr. S. Sivalingam

                        Labourer,                         Department of Chemistry,                         University of Jaffna,                         S..

Mr. P. Uthayakumar

                        Labourer,                         Department of Chemistry,                         University of Jaffna,                         S..

Mr. S. Nanthakumar

                        Laboratory Attendant,                         Department of Chemistry,                         University of Jaffna,                   ..

Mr. A. Thaneswaran

                        Laboratory Attendant,                         Department of Chemistry,                         University of Jaffna,                  ..

Mr. N. Selvasingam

                        Laboratory Attendant,                         Department of Chemistry,                         University of Jaffna,                  ..