• “Biomapping of Ithikkara river with special reference to water quality, Kollam district, Kerala state” UGC
• Ecological restoration of Achancovil River with respect to Environment Dilapidation, Southern Kerala State  DoECC, Govt.of Kerala.

• NCC Officer,
• Discipline Committe convener,
• College Union Election Returning Officer,
• Class Tutor,
• University Malpractice Squad member,
• NTA Examinations Observer.

• Abhilash.P.R, V.Sobhaand S.Santhosh, 2007.Effects of dairy effluent discharge on the adjacent water ecosystem, Thiruvananthapuram. Indian J.Environ. &Ecoplan.14 (1-2): 257 (2007).
• Ajayakrishnan.K, Santhosh S.and Sobha. V, 2014.A spatial model for water resource management in Karamana river basin using Geoinformatics.IJETT, Vol.4, Issue.4, Oct 2014.
• Ajayakrishnan.K, Santhosh. S and Sobha.V, 2014.A discrete mathematical model for water supply management system with special reference to Kerala, India.Int.J.Curr.Microbial.App.Sci.2014, 3(10)628-636.
• Badusha,M. and Santhosh, S, 2017.Assessmentof Water Quality Of Neyyar River, Kerala, India. Journal of Aquatic Biology & Fisheries |Vol 5|2017|pp 79-86,   ISSN 2321-340X
•  Badusha .M  and S. Santhosh 2018.analysis of physico chemical parameters in Neyyar river with   special reference to environmental pollution ,International Journal of Environment , Ecology , Family and Urban Studies,ISSN (online):2321-0109
• Badusha .M andSanthosh .S, 2018. Analysis of physico chemical parameters in Neyyar River with special reference to environmental pollution.International Journal of Environment ,Ecology, Family and Urban Studies(IJEEFUS) ISSN(P):2250-0065 ISSN(E);2321-010,Vol. 8,Issue 1,Feb 2018,13-20.
• Badusha M and S Santhosh, 2017. Seasonal effect of water quality changes in NeyyarRiver, Kerala, India. International Journal of Scientific and Research Publications , Volume 7 , Issue 7, July 2017
• Badusha, M and Santhosh, S, 2017. Assessment of water quality of Neyyar River, Kerala, India. Journal of Aquatic Biology & Fisheries | Vol. 5 | 2017 | pp. 79-86 © Department of Aquatic Biology & Fisheries, University of Kerala. ISSN 2321–340X.
• Badusha, M, Kunhikrishnan, E, Santhosh, S, Praveena, M and Yunus, H, 2016. Diversity and Abundance of Butterflies in Pullampara Grama Panchayath, Thiruvananthapuram. Kerala, India. SCIENCE CHRONICLE-An International Peer Reviewed Multidisciplinary Science Journal. Vol. 5, No. 1 & 2, pp.25-38. ISSN: 2319-6955.
• Badusha, M and S. Santhosh, 2018.Hydro-geochemical properties with respect to landuse in the southernmost river of Kerala,    Journal of Traditional and Folk Practice, Volume 06(1), June 2018, 110-112  ISSN 2278-5906
• Badusha. M and S. Santhosh,2017.  Seasonal Effects of Water Quality Changes in Neyyar River, Kerala, India. International Journal of Scientific and Research Publications (IJSRP), Volume 7, Issue 7, (pp. 703-710). ISSN: 2250-3153.
• Badusha.M and S. Santhosh,2018. Diversity and Abundance of Phytoplankton with Respect to Physico-Chemical Parameters in Ashtamudi Wetland, Kerala, India. Indian Journal of Environmental Sciences. 22(2), pp. 89-94. ISSN: 0971-8958.
• Badusha.M and S. Santhosh,2018. Hydro-geochemical properties with respect to landuse in the southernmost river of Kerala. Journal of Traditional and Folk Practices. 06(1): 109-121. ISSN: 2278-5906.
• Badusha.M and S.Santhosh .2018.Diversity and abundance of phytoplankton with respect to   Physico-chemical parameters in ashtamudi wetland, Kerala, India. Indian Journal of Environmental Science 22(2) 2018,pp.89-94,Green Earth Foundation,ISSN 0971-8958
• Chandra Thara. J, Sobha. V and Santhosh.S.2008.Environmental degradation assessment of Kadinamkulam backwater with special reference to Geochemistry, Southern Kerala. Indian Journal on Polar Science (Itnl).2008.Vol. (1), Issue (1), 87-94.
• Chandra Thara. J, Sobha. V and Santhosh.S.2008.Phytoplankton productivity assessment of Kadinamkulam backwater with special reference to husk retting-A Case study, Southern Kerala. Indian Journal on Polar Science (Itnl).2008.Vol. (1), Issue (1), 69-75.
• Chandra Thara. J, Sobha. V and Santhosh.S.2008.Water quality assessment of Kadinamkulam backwater with special reference to husk retting, Southern Kerala. Indian Journal on Polar Science (Itnl).2008.Vol. (1), Issue (1), 77-86.
• Achuthan Nair.G, R.Pratap Chandran,B. Sukumaran, P.Pournami, Santhosh S.,Vijayamohanan and Sobha. V.2012. K.A.Assessments of well water quality in Tsunami affected regions of south-west coast of Kerala,India.J.Envt Bio,JEB,0254-8704
• Girijakumari.S, S.Santhosh, V.Sobha and J.Chandra Thara, 2007.Studies on some aspects of the sediments of Paravur canal with special reference to the retting activity, Kollam (Dist), southern Kerala. Poll Res, 26(4):751-755 pp, 2007
• Parvathy Mohan and Santhosh, S, 2019.Physicochemical Characteristics of Achankovil River basin in premonsoon and South West monsoon period of 2018.© 2019 IJRAR May 2019, Volume 6, Issue 2 www.ijrar.org (E-ISSN 2348-1269, P- ISSN 2349-5138)
• Praveena M.andS. Santhosh,2019.Water quality analysis of Kappil backwaters2019 JETIR May 2019, Volume 6, Issue 5 www.jetir.org (ISSN-2349-5162)
• Praveena, M. and S. Santhosh,2018.Monsoonal influence on water chemistry and primary productivity of Kappil backwaters, Kerala, India Vol. 13, No. 3, September, 2018,ISSN: 0973-4155,ECO CHRONICLE,PP: 151 – 158 RNI No. KERENG/2006/19ECO CHRONICLESSN: 0973-4155
•  Praveena. M., Chandran. A., Santhosh. S., Badusha. M. and Yunus. H,2017. A Systematic Assessment of Three Species of Gobioid Fishes (Teleostei: Perciformes: Gobioidei) From Kerala. SCIENCE CHRONICLE- An International Peer Reviewed Multidisciplinary Science Journal. Vol. 6, No. 1&2, pp.16-26. ISSN (Print): 2319-6955.
• Santhosh .S, V.Sobha, K.A.Hashim and Valsalakumar. E.2009.Effect of sea sand deposition on the zooplankton community of Paravur-Kappil back water, Southern Kerala. Ind J. Multi. R.2009.Vol.5 (2):169-180.
• Santhosh .S, V.Sobha, K.A.Hashim and Valsalakumar. E.2009.Water quality assessment of Paravur-Kappil backwater system with special reference to the sea sand deposition, Kollam district, Southern Kerala. . Ind J. Multi. R.2009.Vol.5 (1):77-92.
• Santhosh S and Badusha M, 2019. Microbiological evaluation of Achankovil river- a case study. Journal of Emerging Technologies and Innovative Research (JETIR), 6(3): 458-493. ISSN: 2349-5162.
• Santhosh S and M Badusha.2017. Landuse pattern of Neyyar river basin (2015-2016) Kerala, India. International Journal of Scientific and Research Publications, Volume 7,Issue 8,August 2017, ISSN 2250-3153
• Santhosh, S and M. Badusha, 2017. Water Quality Assessment of Ashtamudi Lake with Special Reference to Environmental Pollution. ECO CHRONICLE. 12(4), pp. 105-110. ISSN: 0973-4155.
• Santhosh. S and M. Badusha, 2017.  Landuse Pattern of Neyyar River Basin (2015-2016), Kerala, India. International Journal of Scientific and Research Publications (IJSRP), Volume 7, Issue 8, (pp. 566-572). ISSN: 2250-3153.
• Santhosh. S, Mayarani.C.B and Chandra Thara.J.2007.Water quality assessment of Killi Ar with special reference to Phytoplankton – Thiruvananthapuram   District, Southern Kerala. NESA, Bull, Env .Sci, Vol. Vol.XXIV (3rd issue) Pp.181-189, 2007. 
• Santhosh. S, Mayarani.C.B and Chandra Thara.J.2007.Hydrochemical assessment of Killi Ar with special to reference to Microbiological contamination- A case study, Thiruvananthapuram district. Southern Kerala. NESA, Bull, Bio .Sci, V (2nd issue) Pp.89-97, 2007.
• Santhosh. S., Sobha.V, and Chandra Thara.J, 2007.Phytoplankton Abundance of Paravur-Kappil backwaters of Kerala. Seaweed Res.Utiln, 29(1&2): 155-163, 2007.
• Santhosh. S., Sobha.V, and E.Valsalakumar .2008.Impact Assessment of sea sand filling in the Paravur-Kappil backwaters with special reference to phytoplankton. Seaweed Res.Utiln, 31(1&2): 1-7, 2008.
• Santhosh.S and SobhaV,2004. Phytoplankton productivity of a tropical estuarine water body, Kerala, India.Ecology and Noospherology.Vol.15, 2004, No.1-2, pp, 33-37, International journal, Ukrainian, Russian.
• Santhosh.S, C. Krishnamohan, N.R.Dhanesh and PratimaAkolkar.2011.Water quality assessment of river Karamana by using benthic macro invertebrates, Southern Kerala,         India.Int.J.Envt.Sciences.The Ecoscan,,0974-0376.
• Santhosh.S, C. Krishnamohan,N.R.Dhanesh,Sobha,V and PratimaAkolkar.2014.Biomonitoring status and contribution to the knowledge of benthic macro invertebrates for rive meenchil,Southern Kerala,India.Int.J.Adv,Res.Bio.Sci.2014;1(6),2348-8069.
• Santhosh.S, M Badusha and M Praveena, 2018.Assessment of heavy metals in ashtamudi lake ,Kollam,  Kerala. Trends in Bioscience 11(6), Print: ISSN 0974-8431, 846-848,2018
• Santhosh.S, M. Badusha and M. Praveena, 2018. Assessment of Heavy Metals in Ashtamudi Lake, Kollam, Kerala. TRENDS IN BIOSCIENCES. 11(6), pp. 846-48. ISSN (Print): 0974-8431, ISSN (Online): 0976-2485.
• Santhosh.S, Prabhakumari C, Sonia John.2021.Efficacy of various fruit peels as a source of novel insecticidal agent against Tribolium castaneum.International Journal of Entomology Research,www.entomologyjournals.com,ISSN: 2455-4758,Received: 05-07-2021, Accepted: 22-07-2021, Published: 06-08-2021,Volume 6, Issue 4, 2021, Page No. 123-125
• Santhosh.S, Sobha, V and Chandra Thara.J, 2006.Ecology of sediments in a polluted tropical canal in Kerala, India, Ecology and Noospherology.Vol.17, 2006.T, No.1-2, pp, 72-77, Internationaljournal, Ukrainian, Russian. 
• Santhosh.S,V.Sobha and E.Valsalakumar, 2008. The zooplankton community of Paravur-Kappil backwater, Southern Kerala. The Bioscan, an International Journal of Life science, 3(2):163-171, 2008.
• Santhosh.S, V.Sobha and E.Valsalakumar, 2008.Textural and geochemical assessment of Paravur-Kappil backwater with special reference to sea sand deposition, southern Kerala. The Ecoscan, an International Journal of Environmental science, 2(2):187-194, 2008.
• Sheeba, S., N.Ramanujan and S.Santhosh, 2004. Qualitative and Quantitative study of Zooplankton in Ithikkara River, Kerala. Ecology, Environment and Conservation -International journal. 10(3): 2004;pp (249-252)
• Sobha, V., Santhosh, S., Gangadevi, T. and S.Sheeba2003. Primary Productivity of Paravur Canal-An Analysis., Ecology, Environment and Conservation -International journal, 9(4): 2003;pp (441-444). 
• Sobha. V, Davis Deljo, Santhosh S., Hashim. K.A, and Valsalakumar S.The December 26th (D/26), 2004 Tsunami on Kollam Coast (SW India) with specific reference to Management strategies.2011.    Proceeding of the world congress on Engineering and computer science 2011, Vol.II, WCECS 2011, Oct 19-21,San Francisco, USA.
• Sobha. V, P.Pournami, Santhosh S.and Hashim. K.A. Assessment of Heavy Metal Pollution Status of Vembanadu Lake—a Case Study, Kerala.Sciencia Acta Xaveriana Vol. 2 No. 1,An International Science Journal ISSN. 0976-1152
• Sonia John and S. Santhosh.2024.Insecticidal property of pimenta dioica leaf extract against red flour Beetle - tribolium castaneum (herbst) ,DOI:10.5958/0976-4755.2024.00048.2,BIOINFOLET 21 (2) : 152-154, 2024
• Sonia John,  Santhosh S,  Prabhakumari C, Parvathy G Sankar ,Nair Sreecha Chandran,2017.Assessing the effects of gamma radiations on the protein concentration and mortality of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae)International Journal of Entomology Research,ISSN: 2455-4758,Impact Factor: RJIF 5.24,www.entomologyjournals.com,Volume 2; Issue 6; November 2017; Page No. 99-101.
• Sonia John, S. Santhosh and C. Prabhakumari, 2021.Analysing the effects of radiations on the biochemical composition of the red flour beetle, Tribolium castaneum Herbst J. ent. Res., 45 (2) : 199-202 (2021) DOI : 10.5958/0974-4576.2021.00032.3
• Sonia John, S. Santhosh, Prabhakumari C, 2022.Molecular Characterization of Red Flour Beetle Tribolium Castaneum (Herbst) (Coleoptera: Tenebrionidae) from Various Warehouses In IndiaAdvances in Bioresearch,Adv. Biores., Vol 13 (5) September 2022: 45-53,©2022, Society of Education, India. Print ISSN 0976-4585; Online ISSN 2277-1573,Journal’s URL: http://www.soeagra.com/abr.html, CODEN: ABRDC3,DOI: 10.15515/abr.0976-4585.13.5.4553
• Sonia John, S.Santhosh, Prabhakumari , Athira Sajan,2023.Efficacy of Extracts of Aromatic Plants in The Management of Red Flour Beetle, Tribolium castaneum (Herbst),doi: 10.5958/2249-524X.2023.00009.2,Pesticide Research Journal Vol. 35 (1) 58-61, June, 2023
• Sonia John,S. Santhosh and C. Prabhakumari,2021.Analysing the effects of radiations on the biochemical composition of the red flour beetle, Tribolium castaneum HerbstJ. ent. Res., 45 (2) : 00-00 (2021)
• V.Sobha, P.R.Abhilash, S.Santhosh, P.Ajayakrishnan and E.Valsalakumar2008.Geochemistry of different aquatic systems in Thiruvananthapuram, Southern Kerala.The Ecoscan, an International Journal of Environmental science, 2(2):223-228, 2008.
• V.Sobha, S.Santhosh, G.Chithtra and E.Valsalakumar, 2008. Some seaweeds recipes of Kerala coast.Seaweed Res.Utiln, 31(1&2): 1-5, 2008.

• Impact of sea- sand filling in the Paravur-Kappil backwaters, Southern Kerala with special reference to phytoplankton Productivity.2009. S .Santhosh, V. Sobha, E.Valsalakumar Kumar and Hashim.K.A. The 2009 International Conference of Manufacturing Engineering and Engineering Management.Ppaer.No. ICMEEM_12, The World Congress on Engineering 2009 (WCE 2009) held at London, U.K., 1-3 July, 2009.

• Participated in the “Workshop on Environmental Law” conducted by the C.P.Ramaswamy Iyer Environmental Education Centre, Chennai and Dept. of Environmental Sciences, University of Kerala on 18.02.2003
• Workshop on Chikungunya- Dept. of Environmental Sciences, University of Kerala and Dept. of Community Medicine, Medical College, Trivandrum on
• Participated in the National Workshop on “Aquatic Insects of India useful for monitoring water quality” at Nedumangad, Kerala during 19-28 June 2007.Conducted by Department of Entomology, Clemson university, USA and Department of Environmental Sciences, Kerala university, Kerala, India.
• Participated in the Training programme on statistical software for Data Analysis, conducted by the Events and Programmes division of NORMA social and Market Research on 11-15 December 2006, at Trivandrum, Kerala, India.
• Participated in the workshop on Electron Microscopy  on 5th July 2008,Organised by Electron Microscope laboratory, Biomedical Technology wing, Sree ChithiraTirunal Institute for Medical Sciences and Technology,Thiruvananthapuram,Kerala
• Participated in the Training programme on Microbiological analysis of food as per IS/USFDA-BAM/A.O.A.C.from 04-02-2008 to 16-02-2008.Organised by C.E.P.C. Laboratory and Technical Division (The cashew export promotion council of India, Sponsored by Govt. India), Kollam-691001, Kerala, India.
• “Training on orchid and Anthurium cultivation”, 6-7,Feb-2003, College of Agriculture, Vellayani, Thiruvananthapuram, Kerala, India
• Training programme on Water quality problems with special reference to Drinking water in Kerala organized by Center for Water Resource Development and Management (CWRDM) from 10-11-1998 to 12-11-1998 at Kunnumgulam, Kozhikode, Kerala, India
• Workshop on Environmental law held at Department of Environmental Sciences, University of Kerala on 03-12-2001, conducted by C.P.R.Environmental Education Center, Thiruvananthapuram, Kerala, India
• Workshop on Environmental law held at University of Kerala on 18-02-2003, conducted by C.P.R.Environmental Education Center, Thiruvananthapuram, Kerala, India
• Workshop on Environmental Education as Resource person, held at D.B.College, Pampa, Perumala on 12-10-2001,Pathanamthitta, Kerala, India
• “Regional Workshop on Ornamental Fish culture” held at Kamaraj College, Tuticorin on 7th and 8th, August 1995, Tamilnadu, India.
• Short term course- Disaster managements. Kariavattom campus,23/9/2013 to 27/09/2013,UGC-ASC
• Winter school- Orientation    Kariavattom campus,28/11/2014 to 18/12/2014            UGC-ASC
• .Refresher course in Environmental Sciences Kariavattom campus,02/02/2017-22/02/2017,UGC-ASC
• Short-term course in Disaster management UGC-HRDC, University of Kerala 22-02-2022 to 28-02-2022,UGC-HRDC
• Short-term course in Soft Skill Development Programme UGC-HRDC,University of Kerala 23-03-2022 to 29-03-2022 UGC-HRDC
• Refresher Course in Life Sciences     Academic Staff College, University of Kerala,06/09/2018-26/09/2018 UGC
• Refresher Course in Environmental Sciences Academic Staff College, Pondichery,21/08/2019 – 03/09/2019 UGC

PhD Awarded under my Guidance

• Badush. M-2021
• Sonia John-2022
• Praveena. M-2024