J.V. Siji, C.A. Jayaprakas and C. Mohandas (2003). Nematicidal Properties of Certain Weeds of the Family Compositae. p. 28. Abstr. In: 13th Swadeshi Science Congress held at MSSRF, Kalpetta, Wyanad on 6-8 November, 2003.
• Siji, J.V., Jayaprakas, C.A. and Mohandas, C. 2004. Antinemic activity of Thespesia populena (L.) against Meloidogyne incognita (Kofoid & White, 1919), Chitwood, 1949. National Symp. Green Pesticides for Insect pest Management Feb. 5-6, 2004, Entomology research Institute, Loyola College, Nungambakkam, Chennai-600034 Abstr. 60-61.
• J.V. Siji, C.A. Jayaprakas and C. Mohandas. 2004. Efficacy of Cleome viscosa in the management of Root- knot nematode, Meloidogyne incognita infecting melon. In: National seminar on “Root and tuber crops in nutrition, food security and sustainable environment” (NSRTC–I) 29-31 October 2004.
• J.V. Siji, C.A. Jayaprakas and C. Mohandas. 2004. Nematicidal Activity in Aqueous Extract of Senna occidentalis against Meloidogyne incognita. In: National symposium on Paradigms in Nematological Research for Biodynamic Farming, 17-19 November 2004 Abstr. 102-103.
• Siji, J. V., Jayaprakas, C. A., and Mohandas, C. 2006. Nematicidal properties of certain plants from tuber crops fields against Meloidogyne incognita (Kofoid and White, 1919) Chitwood, 1949. 14th triennial Symposium of the international Society for Tropical root crops on Roots and Tubers for sustainable development: Issues and strategies. Central Tuber Crops and Research Institute, Thiruvananthapuram. 20-26 November 2006. Abstract 171-172.
• Mohandas, C., Siji, J. V., Sheeba Mathews, Vishnu, S. and Suhana, A. R. 2006 Pesticidal Properties of Bacteria from Rhabditis (Oscheius) (Rhabditidae: Nematoda) pathogenic to sweet potato weevil (Cylas formicarius). 14th triennial Symposium of the international Society for Tropical root crops on Roots and Tubers for sustainable development: Issues and strategies. Central Tuber Crops and Research Institute, Thiruvananthapuram. 20-26 November 2006. Abstract 158.
• J.V. Siji, C.A. Jayaprakas, M.S. Sheela and C. Mohandas. 2007. Efficacy of Chromolaena odorata against Meloidogyne incognita infestation of Okra. National Symposium on Nematology in 21st Century: Emerging Paradigms. Organised by Nematological Society of India, New Delhi and Assam Agricultural University, Assam. 22-23 November, 2007. Abstracts 75-76.
• C. Mohandas and J.V. Siji. 2008. Bacteria associated with novel entomopathogenic nematodes. In: National Conference on Aquatic Microbiology: Status, Challenges and Opportunities, Amsco-2008, Department of Aquatic Biology & Fisheries, University of Kerala, Kariavattom, Thiruvananthapuram. 24-25 April 2008. Abstracts, 64.
• Siji,J.V., Jayaprakas, C.A., Sheela, M.S. and Mohandas, C. 2009. Efficacy of Cleome viscosa L. as soil amendment on Meloidogyne incognita (Kofoid and White) Chitwood infestation of okra (Abelmoschus esculentus L.). In: Second Biopesticide International Conference, BIOCICON, 2009. November 26-28 2009. Abstracts, 55.
• Nishanthkumar, S., Bala Nambisan, P. Dureja, Siji, J.V., and C. Mohandas. 2009. Identification of antibacterial and antifungal, cyclic dipeptides, from bacteria associated with novel entomopathogenic nematodes. In: 7th National Conference of Indian Association of Applied Microbiologists, BIOECLECTICS 2009.December 11-12. Abstracts, 39.
• Siji,J.V., Jayaprakas, C.A., Sheela, M.S. and Mohandas, C. 2010. Efficacy of Gliricidia maculata L. as soil amendment on Meloidogyne incognita (Kofoid and White, 1919) Chitwood, 1949 infestation of okra (Abelmoschus esculentus L.). In: National Conference on Nematology. February 23-25, 2010. Abstracts, A-19.
• J.V. Siji and C. Mohandas (2011). Novel Entomopathogenic Nematodes as Biological Control Agents. In: National seminar on Climate Change and Food Security: Challeges and Opportunities for Tuber Crops (NSCFT), January 20-22, 2011 held at CTCRI. Abstract pp. 49.
• Nishanth Kumar, S. Bala Nambisan, P. Dureja, C. Mohandas and Siji, J.V. 2010. New bioactive cyclic dipeptides associated with novel entomopathogenic nematodes. Proceeding of 22nd Kerala Science Congress, 28-31 January 2010, KFRI, Peechi. Pp 727- 728.
• C. Mohandas, Bala Nambisan, Siji, J.V., Nishanthkumar, S. and Deepa, I. 2010. Talented bacteria associated with Rhabditis sp. having insecticidal, nematicidal, antimicrobial and antineoplastic properties. Bangalore India Bio, Organised by Vision Group on Sceince and Technology, Bangalore 2-4 June. Pp.63.
• Deepa, I., Siji, J.V., Prakash Krishnan, B.S. and Mohandas, C. 2010. Identification of a new symbiotic bacterium associated with entomopathogenic nematode by 16S ribosomal RNA gene sequencing. In: 20th Swadeshi Science Congress. November 6-8, 2010. Abstracts, 59-60.
• J.V. Siji and C. Mohandas (2011). Novel Entomopathogenic nematodes and their potential benefits. In 23rd Kerala Science Congress held at Centre for Earth Science studies on January 29-31, 2011. Abstracts pp. 203.
• I. Deepa, C. Mohandas and J.V. Siji (2011). Molecular Characterization of Novel Symbiotic Bacteria from Entomopathogenic nematodes. In: National seminar on Climate Change and Food Security: Challeges and Opportunities for Tuber Crops (NSCFT), January 20-22, 2011 held at CTCRI. Abstract pp. 44.
• I. Deepa, C. Mohandas P.D. Anupama, J.V. Siji and I. Benita Merlin (2011). Diversity and identification of unique bacteria associated with novel entomopathogenic nematodes. In 23rd Kerala Science Congress held at Centre for Earth Science studies on January 29-31, 2011. Abstracts pp. 60.
• Participated and presented a paper in the SERB sponsored National Seminar on “Environmental Issues – A Factual Profile” conducted by PG Department of Botany and Department of Zoology, SVR NSS College, Vazhoor, Kottayam on 4th to5th February 2016
18. Shereen Saleem, Siji J.V., Manoj Kripakaran (2024), COMPARATIVE STUDY ON ANT DIVERSITY IN SELECTED COASTAL AREAS OF SHANKUMUGHAM AND VELI IN THIRUVANANTHAPURAM DISTRICT, Proceedings of the National Seminar BEECSD-2024 ISBN: 978-93-340-0727-5, Pp-13-19.
19. Sreejith S, Joseph Tom, joseph xavier, C.A. Jayaprakas, P.V. Mohanan, Siji. J V. (2025). Evaluation of the Cytotoxic Potential of Cassava-Cyanide Extract (CCE) against Human Glioblastoma (LN229) Cell Line. Proceedings of ISREB 2025 ISBN 978-81-967107-5-0, Pp:21-27.
20. Joseph T., Sreejith S., Cincy T.1 Joseph X., Jayaprakas C.A. Mohanan P.V. , Siji J.V. (2025). Cytotoxic Study of Cassava-Derived Extract on A549 Cell Line for Ectoparasite Control in Pigeons, Cell Line. Proceedings of ISREB 2025 ISBN 978-81-967107-5-0, Pp:58-68.
21. Cincy T. , Joseph T. , Jayaprakas C.A. , Harish E.R. , Siji J.V. Biological Control of Sweet Potato Weevil (Cylas formicarius) Using Beauveria bassiana, Proceedings of ISREB 2025 ISBN 978-81-967107-5-0, Pp:169-177.