Previous Experience/Positions held

• Assistant Engineer in Irrigation Department, Govt. of Kerala -28.4.1999-31.05.2000
• Assistant Professor in Civil Engineering, College of Engineering Trivandrum-1.6.2000-28.02.2016
• Associate Professor in Civil Engineering, College of Engineering Trivandrum-1.3.2016-4.5.2018
• Associate Professor in Civil Engineering, Govt. College of Engineering Thrissur .14.05.2018-11.03.2019
• Associate Professor in Civil Engineering, College of Engineering Trivandrum-12.3.2019- Till date

Areas of Interest:

• Waste to energy
• Water treatment
• Sustainable wastewater treatment
• Constructed wetlands
• Traffic Air pollution studies

Courses Handled

• W astewater treatment
• Sustainable Engineering
• Engineering Mechanics
• Fluid mechanics
• Air pollution
• Environmental Management
• Environmental Impact Assessment

Publications:

Publications in national/international journals:

1. "Microbial biosensor for BOD analysis", Journal of Environmental Science, 2010,pp 520-525
2. "An investigation into the heavy metal burden of Akkulam-Veli Lake in south India", Environmental Earth Sciences, ISSN 1866-6280, Springer Publication, 2013, 68, pp.795-806
3. " Identification of silicon (Si) as an appropriate normaliser for estimating the heavy metals enrichment of an urban lake system", Journal of Environmental Management, Elsevier publications, 2013, 129, pp.54-61
4. "Ecological Risk Assessment of A Tropical Lake System", Journal of Urban and Environmental Engineering, ISSN 1982-3932, 2014, 7pp.323-329
5. "Urgency for sustainable development in urban coastal areas wrto weather pattern, land use and water quality", Environmental Monitoring and Assessment, DOI 10.1007/s10661-013-3612-6, 2014, 186 (5) pp. 3221-3237.
6. " Effect of seasonal variations on the surface sediment heavy metal enrichment of a lake in South India", Environmental Monitoring and Assessment, DOI 10.1007/s10661-014-3687-8, 2014, 186,pp.4153-4168.
7. "Studies on removal of Zinc and Chromium from aqueous solutions using water Hyacinth", Pollution, Spring 2015, pp. 193-202.
8. " Risk assessment of heavy metal contamination in sediments of a tropical lake", E nvironmental Monitoring and Assessment, 2015, 187(6):322, pp 321-335.
9. " Biodegradation of laundry wastewater", International Research Journal of Engineering and Technology, Vol. 2, Issue 7, 2015.
10. " Adsorption studies on coir pith for heavy metal removal", International journal of sustainable Engineering, DOI: 10.1080/19397038.2016.1152323, Taylor and Francis, 2016.
11. " Assessment of sediment quality of a tropical lake using sediment quality standards", Lakes and Reservoirs, John Wiley Publications, 2017.
12. Experimental analysis on the effects of trace metals as micronutrients in enhancing biomethane production, 2024, Sustainable Energy Research, https://doi.org/10.1186/s40807-023-00093-w , Springer publications

Publications in international conferences:

1. "Heavy metal distribution in AkkulamVeli lake sediments- A fuzzy approach", IICAI,  Proceedings of the 4th Indian International Conference on Artificial Intelligence, Tumkur, Karnataka, India,  IICAI, Bangalore, Dec16-18,2009.
2. "Bioaccumulation of Heavy Metals In Akkulam -Veli Lake, South Kerala", International conference on Materials, Mechanics and Management, 541-546, College of Engineering Trivandrum, 2010.
3. "Fuzzy evaluation of Heavy Metal Pollution in Sediment Quality-A Case Study", International conference on Materials, Mechanics and Management, 541-546, College of Engineering Trivandrum, 2010.
4. "Pollution study of heavy metals in aquatic sediments", International conference on Advances in Materials and Techniques in civil Engineering, VLBCET, Coimbatore, 7-9 January 2010, 309-312.
5. "Study of leachate characteristics on a simulated anaerobic bioreactor landfill", International conference on advances in Chemical Engineering and Technology, ICACE, TKMCE, Kollam, 16-18 October, 2014, 324-327.
6. "Human health risk assessment of inhalation exposure to air pollution in Thiruvananthapuram city' International Conference on Information Systems, Energy, Environment and Safety- Emerging Scenarios (ISEES), Government Engineering College, Barton Hill, Thiruvananthapuram, 29-30 September 2016.
7. "Estimation of Vehicular Emission based on road traffic parameters', International Conference on Information Systems, Energy, Environment and Safety- Emerging Scenarios (ISEES), Government Engineering College, Barton Hill, Thiruvananthapuram, 29-30 September 2016.
8. " Prediction of Vehicular Exhaust Emission for Thiruvananthapuram city', 3 rd International Conference on Materials, Mechanics and Management (IMMM), College of Engineering Trivandrum, Thiruvananthapuram. 13-15 July 2017
9. "Identification of plant varieties for development of Green belt in Thiruvananthapuram city", 3 rd International Conference on Materials, Mechanics and Management (IMMM), IIT Delhi, New Delhi, 12-14 December 2017, ASCE India Conference 2017.
10. "Studies on coir pith as an adsorbent in pollutant removal from wastewater", Kerala Environment congress, Centre for Environment Development, 2017.
11. "Removal of dye from aqueous media using coir pith and modified coir pith", International conference on water resources: Innovation in quality and quantity, sustainable development challenges and management, Dept. of Environmental sciences and dept. of geology, University of Kerala, 15-16 March 2018.
12. Comparative studies on adsorption efficiency of raw and treated coir pith in removal of Zinc from aqueous solution, International event on coir and natural fibre products, Coir Kerala 2019, 4-8 Dec 2019
13. Green synthesis of iron nanoparticles from citrus lemon peel extractsfor removal of dyes congo red and brilliant green from aqueous solution, 5 th International conference on modeling and simulation in Civil Engineering, TKMCE Kollam , 11-13 Dec2019
14. Urban heat islands-A review , 4 th International conference on Materials, Mechanics and Management IMMM, CET, 5-7 March 2020
15. A Review of Urban Traffic Induced Black Carbon Emissions', University of California, Riverside (USA), and UFZ Helmholtz Centre for Environmental Research (Germany) during - (hosted by IIT Guwahati), (IICAQM 2021), 6 th Indian International Conference on Air Quality Management., Jointly organized by the Department of Civil Engineering, IIT Madras, Department of Civil Engineering, IIT Guwahati, University of Bath (UK), IIT Chennai (Online), 14-18 December 2021.
16. Traffic Congestion Modelling for an Urban Corridor in Thiruvananthapuram City-, National Conference on Resilient Infrastructure (NCRI 2022), 2022
17. Analysing the ambient air quality along the congestion spots of urban corridors, International Conference on Innovations in Engineering, Science and Technology for Sustainable Development (ICEST 2023).
18. Enhanced energy recovery from food waste by micronutrient supplementation, Sustainable technologies for water and wastewater treatment, VIT, Velloor, Chennai, 14-16 Dec 2023

Publications in national conferences:

1. Physico chemical parameters and correlation coefficients of ground water of Udyogamandal, Cochin", National Conference on technological trends, College of Engineering Trivandrum , 2005, 58-61.
2. "Effect of Industrial pollution in Periyar river", National Conference on technological trends, College of Engineering Trivandrum, 2005, 62-65
3. "Waste to energy-option in paper industry", National Conference on technological trends, College of Engineering Trivandrum, 2006, pp 80-84.
4. "Optimization of parameters of anaerobic digestion- A case study on Kraft paper industry" 19th Kerala Science congress ,Kannur, KSCSTE, 29-31 January 2007, pp878-879.
5. "Process Development for anaerobic cum aerobic treatment of unsorted MSW", National Conference on technological trends, College of Engineering Trivandrum, 2007, pp 80-84
6. "Biosensor for BOD analysis", National Conference on technological trends, College of Engineering Trivandrum, 2008, pp29-33.
7. "Heavy metal distribution in AkkulamVeli lake sediments" Proceedings of National seminar on Emerging Trends in Environment and development with a focal theme on climate change and water resources, University of Kerala, DST, CSIR, EMAK, KSCSTE, 8-9 October 2009,pp 143-147.
8. "Removal of Zinc using coir pith as an adsorbent", National Conference on technological trends, College of Engineering Trivandrum, 2011, pp 31-36.
9. "Treatment of Latex waste water by electrocoagulation", National Conference on technological trends, College of Engineering Trivandrum, 2011, pp 42-47.
10. "Fixed Bed column study for removal of Zinc using coir pith and treated coir pith: A comparative study", National Conference on technological trends, College of Engineering Trivandrum, 2012, pp 31-36
11. " Fuzzy model for solid waste management in Thiruvananthapuram city", 3rd National Conference on Emerging Technologies | |1 - 2, August 2014, Govt. Engineering College, Barton Hil, 2014,pp 130-133.
12. "Laboratory scale study of anaerobic bioreactor landfill on MSW", National Conference on technological trends, College of Engineering Trivandrum, 2014, pp 233-236.
13. " Water Quality Modelling", National Conference on technological trends, College of Engineering Trivandrum, 2015, pp 233-236.
14. " Traffic noise pollution study of Thiruvananthapuram city", National Conference on technological trends, College of Engineering Trivandrum, 2015, pp.
15. " Treatment of laundry wastewater using microbial techniques",
16. "Experimental and kinetic studies on methylene blue adsorption by coir pith" , National Conference on technological trends, College of Engineering Trivandrum, 2016, pp.219-221
17. "Optimization study of autotrophic denitrification using elemental sulphur, National Conference on technological trends, College of Engineering Trivandrum, 2016, pp.219-221.
18. " Effect of Ambient Air Pollution on Human Health in Thiruvananthapuram City" 2016, National Conference on technological trends, College of Engineering Trivandrum, 2016, pp.258-260.
19. Optimization study of autotrophic denitrification using elemental Sulphur, National Conference on technological trends, College of Engineering Trivandrum, pp 258-262, CET, 2016
20. Ambient air quality status of major traffic intersections in Thiruvananthapuram city, National Conference on technological trends, 289-292, CET, 2017
21. Study on dry waste composition in Thiruvananthapuram city, National Conference on technological trends, 284-288, CET, 2017
22. Traffic noise attenuation using hedges in Thiruvananthapuram city, National Conference on technological trends, 279-283, CET, 2017
23. Wastewater treatment through phytorid technology: A review, Kerala state Technological Congress 2019-KETCON , 173-179, GEC Thrissur, 15-17 February 2019
24. The use of microorganisms in desulphurization of crude oil, Kerala state Technological Congress 2019-KETCON , 571-577, GEC Thrissur, 15-17 February 2019
25. Thermal pyrolysis of plastic wastes into useful byproducts, National Conference on innovations in Civil Engineering practices 2022, GEC Barton hill, Trivandrum, 2022
26. Computation and comparison of carbon stock of trees of College of Engineering Trivandrum with other educational institutions, 2nd GEAST Global Conference on Environment & Climate change (EECC 2022), ISSN:2583-0228, Council of Industrial Innovation and Research (CIIR), September 10,2022
27. Study on variation of VFA in different substrates in anaerobic digestion, I nternational Conference on Industry 5.0: Revolution, Innovation and Efficiency (ICIRIE 2023), S wami Vivekananda Institute of Science and Technology, SVIST, Kolkata ,  West Bengal , 4-5, March 2023.
28. Biomethanation potential of organic fraction of municipal solid waste (ofmsw) using co-digestion, Proceedings of the International Conference on recent Advances in Civil Engineering (ICRACE) 2022, December 01-03, 2022, Kochi, CRC press, Taylor and Francis group, 72-77
29. Prevalence of Antibiotic Resistant Bacteria In the STP Effluent of A hospital In Thiruvananthapuram, Proceedings of the International Conference on recent Advances in Civil Engineering (ICRACE) 2022, December 01-03, 2022, Kochi, CUSAT, December 1-3, 2023

Other Responsibilities held:

• Lab in Charge: Air pollution Lab, Environmental Engineering Lab, Research Lab (2000-2018)
• Member of Purchase committee (Dept. of Civil Engineering (2011-2014)
• Technical expert in evaluation committee for sewage and sullage treatment plant, Technopark, Kollam-2010-11
• Coordinated National Conference on Technological trends(NCTT 2011) in Environmental Engineering Division-2011
• Drafted the Syllabus for "Introduction to Sustainable Engineering" to all Engineering students under KTU-2015
• Member in syllabus drafting for 3-8 semesters of B,Tech Civil Engineering under KTU (2015-16)
• Technical expert in evaluating service providers for Kerala state in Suchitwa Mission-2016
• Technical expert in conducting interview for selection of sanitary expert in Suchitwa Mission-2016
• Chairman, Septage sector, SMMU, AMRUT, Kerala (2017-2018)
• Technical member, Air appellate authority, Govt. of Kerala (2017-2018)
• Division head, Environmental Engineering Division, Dept of Civil Engineering, College of Engineering, Trivandrum (2015-17)
• Staff Advisor 2014-18 UG batch CET
• Staff advisor 2018-22 UG batch GEC Thrissur (upto March 2019)
• Dept. Library charge, Series test coordinator, Thrissur KTU Cluster coordinator, Staff advisor (2018-19)
• Chaired Conference at Marian Engineering College, Thiruvananthapuram, 11.04.2019
• Assistant Warden, Ladies Hostel, College of Engineering Trivandrum, 01.08.2019-31.07.2021
• Member, CCDM CET, 2019-21
• Chairman, KU , Conduct of seventh semester supplementary exam, 2020
• Chairman, KTU, Conduct of seventh semester, Eighth semester B.Tech (Civil) Engineering exam, 2020, 2021
• Staff advisor, Mtech (Environmental Engineering), 2021-23 batch
• Chairman, KTU, Syllabus and curriculum of ID1 Environmental Engineering, 2022 curriculum
• Technical expert, Empanelment of consultants, KSPCB, 2022
• Member, No pollution Load Committee, Environmental Department, 2023 onwards
• Coordinator, Centre for sustainable development, CET, 2023 onwards
• Technical member, Air appellate authority, Govt. of Kerala, 2023 onwards
• Division Head, Environmental Engineering Division, 2023 onwards

Other Academic Activities

1. Received Dr. TS Ramanathan Ayyar Ramanathan Endowment award in the year 1992 for securing highest marks in Geotechnical Engineering
2. Received financial incentives Rs. 25,000/-from CERD for publishing journal papers of impact factor >0.25 in 2013.
3. Expert lecture on "Environmental risk assessment" at College of Engineering Adoor on 27.10.2015
4. Expert lecture on E waste Management at Govt College of Engineering Barton Hill, Trivandrum on 13/07/2016
5. Expert lecture on 'sludge management by composting' at Kerala Water Authority training centre, Trivandrum on 17/7/17
6. Expert lecture on "Environmental risk assessment" at TKM College of Engineering Kollam on 16.07.2019
7. Expert lecture on " Emerging Trends in Alternative Energy Resources" at St .  Thomas  Institute for Science and Technology, Trivandrum on 15.2.2023
8. Reviewer of the following international Journals

• International journal of biotechnology research
• Chemistry and Ecology, Taylor and Francis publications
• Environmental Earth Sciences, Springer Publications
• Environmental Monitoring and Assessment, Springer Publications
• Heliyon, Elseveir publications
• Environmental Pollution, Elsevier
• Science of total Environment

 

• No. of Mtech projects guided- 55 nos.
• No. of PhD scholars under guidance-7 nos.

Research projects ongoing/Completed

No	Project title	Funding agency	Amount sanctioned (Rs)	Year	Status
1	Waste to energy options in paper industry ( Students project)	Agency for nonconventional energy and rural technology (ANERT)	10,000	2007	Completed
2	Heavy metal removal in contaminated lake sediments	Centre for Engineering Research and Development (CERD)	2,00,000	2011-2014	Completed
3	Study of heavy metal distribution in the sediments of a lake system	Kerala State Council for Science,Technology and Environment	11,44,000	2011-2013	Completed
4	Identification of hot spot areas of urban drainage system of Thiruvananthapuram city	Directorate of Environment &Climate Change (DOECC), Trivandrum	60,000	2012-2013	Completed
5	Water quality odelling of a Lake system	MoWR& INCSW	23,12,100	2012-2016	Ongoing
6	Traffic noise analysis for Thiruvananthapuram city using GIS	Transportation Research centre, Govt. of Kerala	4,31,000	2014	Completed
7	A study on automobile airpollution in Thiruvananthapuram city	Transportation Research centre, Govt. of Kerala	13,26,000	2015	Completed
8	Studies on coir pith as an adsorbent in pollutant removal from wastewater	Central Coir Research Institute (CCRI)	8,97,600	2016	Completed
9	Environmental status report for Thiruvananthapuram city	Kerala state Pollution Control Board	3,00,000	2017-2018	Completed
10	Study of antimicrobial resistance in wastewater	Kerala state Pollution Control Board	13,09,000	2019-2021	Completed
11	Feasibility study of high-pressure bio gas generation for sustainable transportation	K-Disc	1,00,47,700	2022-2025	Ongoing
12	High Pressure Bio-gas project:	DTE	23,65,364	2023 onwards	Ongoing
13	Treatment of antimicrobial resistance in wastewater:	DTE	19,68,800	2023 onwards	Ongoing