Suraj S, Resmi T R and Shahul Hameed A. 2014. Evaluation of Groundwater Chemistry of Shallow Aquifers of Malabar Region, Kerala with respect to Physiography. Proceedings of the International Symposium on Integrated Water Resources Management (IWRM–2014) February 19–21, 2014, CWRDM, Kozhikode, Kerala, India. pp.363-372.z

Unnikrishnan Warrier C. and Manjula, P., 2014. Hydrochemical Characterisation of a Tropical Sub Basin of Bharathapuzha, Kerala, India, International Symposium on Integrated Water Resources Management, CWRDM (February 19-21, 2014), Abs.Vol.p.97

Bindhya mol,K and Harikumar, P.S (2013). Tidal influence of pollutants on Canoli Canal beside Kottuli wetland in Kozhikode city. Proceedings of the 23rd Swadeshi Science Congress.

Jesitha,K and Harikumar, P.S (2013). Application of Nano Zero Valent Iron Enhanced Phytoremediation Technique for the Removal of Endosulfan .Proceedings of the 23rd Swadeshi Science Congress.

Megha P U, Harikumar, P.S and S Murugan (2013). Isolation and identification of bacteria from Canoli canal and the surrounding wells of Kozhikode, Kerala. Proceedings of the 3rd International Science Congress (ISCA-ISC-2013-8EVS-74).

Resmi T. R., Sudheesh M., Vimala T. and Shahul Hameed, A., 2013. Quality evaluation of coastal shallow aquifers using chemical and isotope systematics. Proceedings of the International Conference on Integrated Water, Waste water & Isotope Hydrology ICE-WWISH -2013, July 25-27, 2013, Bangalore University, Bangalore, pp.21-29.

Jacob, Noble, T. B. Joseph, and P. S. Hari Kumar. "Assessment of sedimentation rate and hydrodynamics of Vembanad lagoon, Southern India, using isotope techniques." Proceedings of third international conference on sediment management: focus on analytical methodologies and its implication on environment. 2012.

Jalaja T K, KavyaVijayaraj and Sreevallabhan S(2012)Variation in the biochemical constituents of Brinjal plant exposed to PGPB Psuedomonasaeruginosaon application of fungal stressFusariumoxysporum, Proc.International Conference on Advances in Biological Sciences(ICABS-2012), Kannur University, Kannur.

Jalaja T KRemyasree P R and Sreevallabhan S(2012)Study to investigate the resistant characteristics of wetland plant Avicenniaofficinalisto the fungal pathogen Fusariumoxysporum, Proc.International Conference on Advances in Biological Sciences(ICABS-2012), Kannur University, Kannur.

Jesitha K, Sreechithra M and Harikumar P S, Endosulphan remediation using aquatic and terrestrial plant species, National Symposium on innovative Approaches and Modern Technologies for Crop Productivity, Food Safety and Environmental Sustainability, November 2012, Thrissur, Kerala

Megha T and Harikumar P S Immobilisation and mobilization effect of ammonium molybdate on phytoremediation of toxic heavy metals in soil National Symposium on innovative Approaches and Modern Technologies for Crop Productivity, Food Safety and Environmental Sustainability, November 2012, Thrissur, Kerala

Mrudulrag, S. K., Sui, A. S., Resmi, T. R and Shahul Hameed, A., 2012. Water Quality Variations in the Shallow Wells and Streams of Neyyar River Basin, Kerala, Proceedings of the National Seminar on ‘Sediments and sedimentary rocks: Resource potential Depositional processes, its Implications to the ecosystem and environmental changes’, December 18-21, Pondichery, India, p.121.

Shahul Hameed, A and Resmi T. R., 2012. Origin of pollutants in the coastal shallow aquifers of an urban environment–Investigation using ionic and isotopic ratios. Proceedings of the 2nd International Conference on Water Quality, WQ-2012, 19-21, September, HangZhou, China, pp.26-30.

Shahul Hameed, A., Resmi, T.R., Suraj, S.S., 2012. Estimation of groundwater by rain in a tropical river basin using stable isotope technique, Proceedings of the Vth International Groundwater Conference (IGWC 2012), 18-21 December, Aurangabad, India, pp.138.

Subhankar Karmakar and Harikumar P S Evaluation of water quality monitoring network: a multivariate statistical approach to Kabbini river catchment (India) IWA World Water Congress and Exhibition 2012 Korea

Unnikrishnan Warrier, C. and Manjula, P., 2012. Tracing river-groundwater Interaction of a Tropical Sub Basin of Bharathapuzha, Kerala, National Seminar on Applications of Isotopes and Radiation Technology for Societal Benefits (AIRTS-2012) June 21-23, 2012, Bangalore University. Abs.Vol. p 43.

Jalaja T K, Lazna V P, Sreevallabhan S, Jayakumar P and Jayakumar K V(2011), Biodiversity of insect fauna in selected ssacred groves of Kozhikode with special reference to soil and water conservation, Proc.3rdInternational Conference on Climate Change, Forest Resource and Environment(ICCFRE-2011), Kerala University, Thiruvananthapuram

Resmi T R (2011). Isotope Fingerprinting of a Tropical River Basin using Isotope Systematics. Proc. of the 23rd Kerala Science Congress, CESS, Thiruvananthapuram, pp.103.

Harikumar P S Water Quality Management of India-Issues and Challenges, Proc.of National Conference on Environmental Pollution, Coimbatore, March 31,2010 (key note paper)

K.N.Remani and T.K.Jalaja(2010)“Removal of Microbes from Wastewater using Wetland Plants”Proc. 3rd International Conference on Hydrology and Watershed Management Vol II pp 1197-1202