Professor A. Dhinakaran  has totally 35 years of teaching experience –one year (1975-1976) at A.V.V.M. Sri Pushpam College, Poondi, Tanjore Dt. And the remaining 34 years at D.G. Vaishnav College, Arumbakkam, Chennai, besides teaching Botany, the author has conducted quiz programs and one minute extempore speech competitions for students at intercollegiate level during the Biofest programs organized by the college. The author has organized many seminars and special lectures on Tissue Culture, Biotechnology, Genetic Engineering, Spirulina and Mushroom Cultivation.A two day workshop on communication skills was conducted by the author in 2009. Such programs help students to improve their employability skills. A two day exhibition of medicinal plants and herbal products was organized by the author in the college premises on the 8th and 9th February 2008. More than 10000 students from nearby schools and colleges visited the exhibition, the exhibition was covered by TV channels and reported in the regional English and Tamil dailies. The author released a booklet (30 pages) with the photographs of rare medicinal plants which were displayed in the exhibition.The author also attended a five day workshop on pedagogy of Teaching Environmental Studies from 05/08/7/2004 to 09/07/2004 at th University of Madras. The workshop was sponsored by the UGC and conducted by the Academic Staff College in the University. As the enviro- club secretary of the college, the author exposed students to lectures by environmentalists.