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Thirty two years of experience in teaching at the undergraduate and post graduate Horticulture / Biotechnology.
Handled 90 courses in Horticulture, Plant Molecular Biology and Biotechnology for the undergraduate and postgraduate students.
Guided 4 Ph.D. scholars, as the Major Advisor.
Guided 13 M.Sc. students, as the Major Advisor.
Member of the Advisory Committee of 22 Ph.D. and 40 M.Sc. students in Horticulture / Biotechnology.
Course Director, M.Sc. (Integrated Biotechnology Course), Kerala Agricultural University.


Thesis programmes of post graduate students guided as Major Advisor

1.) Standardisation of in vitro techniques for the rapid clonal propagation of mango (Mangifera indica).
2.) Random amplified polymorphic DNA (RAPD) analysis of banana (Musa spp.).

3.) Agrobacterium mediated genetic transformation in Dendrobium.
4.) Characterisation of traditional mango (Mangifera indica L.) varieties of southern Kerala.

M.Sc. thesis

1.) Ex vitro establishment of jack fruit (Artocarpus heterophyllus) plantlets.
2.) Enhancing in vitro response of explants from mature jack fruit (Artocarpus heterophyllus L.) trees.

3.) Optimising in vitro somatic embryogenesis in polyembryonic mango (Mangifera indica L.) varieties.
4.) Evolving techniques for in vitro somatic embryogenesis in polyembryonic mango (Mangifera indica L.) varieties.
5.) Evolving techniques for in vitro somatic embryogenesis in monoembryonic mango (Mangifera indica L.) varieties.
6.) Overcoming developmental abnormalities of in vitro somatic embryos in mango (Mangifera indica L.) and cashew
     (Anacardium occidentale L).
7.) Protoplast isolation, culture and regeneration in mango (Mangifera indica L.).
8.) Molecular characterisation of banana (Musa AAB Plantain subgroup) clones .
9.) Differential expression of anthocyanin synthesizing genes in red and green banana clones.
10.) Amplification and sequencing of spacer region between two Trna genes and its flanking region in the chloroplast genome
     of Centella asiatica L.
11.) Agrobacterium tumefacience mediated genetic transformation in Dendrobium variety Sonia- 17 with
     1-aminocyclopropane-1 carboxylic acid (ACC) synthase antisense gene.
12.) Molecular analysis of spike branching observed in black pepper (Piper nigrum L.) type of Idukki.
13.) Effect of green leaves used in traditional preparations on DNA repair.


External Examiner / Question Paper Setter / Selection Board member
Question Paper Setter / External Examiner for the post graduate / Undergraduate University examinations in Horticulture / Plant Tissue Culture/Biotechnology of Cochin University of Science and Technology, Kochi, Mahatma Gandhi University, Kottayam, University of Kerala, Trivandrum, Calicut University, Kozhikkode, Tamil Nadu Agricultural University, Coimbatore, Univ. of Agrl. Sciences, Mudigere, and Kerala Agrl. Univ., Thrissur.

Served as the External Examiner for the M.Sc. (Horticulture) programme of the Tamil Nadu Agricultural University, Coimbatore and Ph.D. programme (Botany) of Calicut University, Kozhikode and Rajashahi University, Bangladesh.

Served as the External Examiner for the evaluation of the progress of research work of the Senior Research Fellows of the Plant Tissue Culture Division of the National Chemical Laboratory, Pune.

Served as the External Examiner for the selection / upgradation of Junior Research Fellows / Senior Research Fellows at the Rajiv Gandhi Centre for Biotechnology, Trivandrum.

Served as a member of the Selection Committee for selecting Senior Scientist at the Biotechnology and Model Floriculture Centre, State Department of Agriculture.

Reviewed research project proposals for the State Council for Science, Technology and Environment