Chairman, State-level Expert Appraisal Committee (SEAC) for Tamil Nadu, Ministry of Environment, Forests & Climate Change (MoEF&CC) (Oct. 2018 - till date)

Independent Director, Tamil Nadu Small Industries Development Corporation Limited (TANSIDCO), Chennai, (Jun. 2018 - till date)

Expert Member, Zero Liquid Discharge Committee, Tamil Nadu Pollution Control Board, Government of Tamil Nadu (since January 2019)

Expert Member, Environmental Audit Committee, Tamil Nadu Pollution Control Board, Government of Tamil Nadu (since January 2019)

Appointed as a Member in the Monitoring Committee by High Court Madras, Chennai for assessment of impacts of sand mining on groundwater, agriculture and the surrounding environment including Flora & Fauna in Cauvery river at Mohanur, Namakkal dist., Kollidam river at Vilangudi Taluk, Kollidam river at Thirumanur, Ariyalur dist., Vettar river at Valkai, Thanjavur dist., and Araniyar river at Uttukottai village in Chennai district.

Member, Expert Committee for Project Review in the area of “Sanitation and Waste Recycling”, Biotechnology Industry Research Assistance Council (BIRAC), Dept. of Biotechnology, Govt. of India, since Sept. 2017.

Appointed as a Single Member Committee by the Arbitral Tribunal headed by Supreme Court Judge for the Assessment of Current Status for the Solid-waste Processing Unit, at Madurai. (November 2015 to February 2016).

Served as a Lead member in the Two-member committee appointed by National Green Tribunal, Southern Zone, Govt. of India, to assess the status of Wastewater discharge in Hussain sagar Lake in Hyderabad. (July to November 2015)

Chairman, Peer Review Committee, Department of Civil Engineering, National Institute of Technology, Calicut, Kerala (November 2015)

Chairman, Peer Review Committee, Department of Civil Engineering, National Institute of Technology, Tiruchirapalli (October 2015)

Chairman, Academic Audit Committee, SCAD Institutions, Tirunelveli (since August 2015).

Chairman, Board of PG Studies, Kollam Cluster, TKM College of Engineering, Government of Kerala, Kollam, Kerala (since November 2014).

Chairman, Technical Advisory Committee, Municipal Corporation of Greater Mumbai, (since January 2010 onwards)

Chairman, Board of Governors, Rajiv Gandhi Institute of Engineering and Technology, Government of Kerala, Kottayam, Kerala (since August 2010).

Chairman, Applied Research and Development Council, Tamilnadu Pollution Control Board, Chennai. (from Oct. 2007 onwards).

Member, All India Board of Technical Education, AICTE (since February 2013)

Member, Program Advisory Committee on Environmental Research Programmes, Ministry of Environment and Forests, Govt. of India. (since October 2011).

Member, High Level Committee on “Direct To Home (DTH)” the NMEICT Program, Ministry of Human Resources Development, Govt. of India. (since September 2012).

Member, AICTE Southern Regional Committee (August 2010-October 2014)

Member, Single Source Committee on Establishment of Technology Demonstration Sector, Tamilnadu Pollution Control Board. Govt. of Tamilnadu (Since September 2012)

Member, Expert Committee for Amendment of Qualifications for Engineers and Scientists, Tamilnadu Pollution Control Board, Govt. of Tamilnadu. (Since August 2012)

Member, Governing Council, John Bosco Group of Institutions, Chennai (since August 2012)

Member, Expert Committee to prepare the “Environmental Policy of Tamilnadu State” Department of Environment & Forest, Govt. of Tamilnadu. (since July 2012)

Member, Expert Committee to prepare the “Tamilnadu State Action Plan on Climate Change”, Public Works Department, Govt. of Tamilnadu. (since Feb 2012)

Member, Executive Committee, Centre for Water Resources, Anna University, Chennai (since April 2012).

Member, Executive Committee, Centre for Environmental Studies, Anna University, Chennai (since September 2013).

Member, Sectional Committee, Sedimentation in Reservoirs and Lakes, Bureau of Indian Standards, Govt. of India (since Feb 2012).

Member, State Level Committee for Technical Education, Govt. of Kerala. (May 2009 - 2014).

Member, Board of Technical Education, State Board of Technical Education, Govt. of Andhra Pradesh. (2009-2014)

Member, State Steering Committee for TEQIP-II, Government of Tamilnadu. (April 2011-Nov. 2014)

Member, Expert Committee for Selection of Assistant Engineers to Tamilnadu Pollution Control Board, Chennai (December 2011)

Member, Expert Committee on “Spatial Data Technologies for Decentralized Planning” under, National Resources Data Management Systems (NRDMS), Department of Science and Technology, Govt. of India (Since April 2011 for three years).

Member, Executive Committee, Planning of Mega Science City – Chennai, Govt. of Tamilnadu, (April 2011-July 2012).

Member, Governing Council, Jansons Group of Institutions, Coimbatore

Member, Governing Council, Karpagam Group of Institutions, Coimbatore

Member, Governing Council, Muthayammal College of Engineering, Rasipuram

Member, Governing Council, SCAD Group of Institutions, Tirunelveli & Tuticorin (since January 2011)

Member, Executive Committee, Tamilnadu Science City & Tamilnadu State Council for Science and Technology, Government of Tamilnadu, (since August 2009-November 2014)

Member Governing Council, Sri Aravindar Institutions, Puducherry (since Feb 2011).

Member, Task force committee for “Evolving guidelines framing norms and standards for imparting quality vocational education and training program in existing technical/management institutes” – AICTE, New Delhi (since January 2011).

Member, Board of Studies for Civil Engineering, Anna University of Technology, Madurai (since November 2010)

Member, Board of Studies for Civil Engineering, Anna University, Chennai (since 2011)

Expert Committee Member, Environmental Pollution Abatement and Control, Ministry of Environment and Forests, Govt. of India. (Since August 2010).

Member, Governing Council & General Body, National Instructional Media Institute, Ministry of Labor and Employment, Government of India (since October 2010).

Executive Committee Member, International Classical Tamil Tholkappiar Academy, Tamil University, Thanjavur (October 2010 – November 2011)

Member, Executive Committee, Tamilnadu State Council for Science and Technology, Govt. of Tamilnadu (since November 2010) for a period of Three yea₹

Member, Governing Council, Sankar Polytechnic College, Tirunelveli (since April 2010)

Supreme Court Appointed Technical Committee Member, for the Assessment of Flood Situations and Urban Environmental Pollution in Chennai City, under the Chairmanship of Hon’ble Judge, Sri. J. Raju.

High Court Appointed Technical Committee Member, for the Assessment of Sandmining and its Impacts in Kosasthaliyar River Basin in Tamilnadu.

Member, State Level Committee for Technical Education, Govt. of Tamilnadu. (Since May 2009).

Member, Irrigation Research Advisory Committee (IRAC), Public Works Department, Govt. of Tamilnadu, Since August 2010.

Member, Academic Council, Sri Sastha University Chennai (since Feb 2010).

Member Governing Council, Sri Sastha University Chennai (since Feb 2010).

Member, Board of Research Studies, Sathyabama University, Chennai (since Feb. 2010).

Member, Board of Studies in Civil Engineering, Anna University of Technology, Madurai.

Member, All India Board of Vocational Education, AICTE, New Delhi, (since August 2009).

Member, Academic Council, Sri Ramachandra University Chennai (since August 2009).

Member, State Level Committee for Technical Education, Govt. of Andhra Pradesh. (Since June 2009).

Member, Review Committee for Institute Activities, Central Water and Power Research Station, Kadakwasala, Maharastra. Under the Chairmanship of Prof. M.C. Deo, IIT Bombay, from April 2009 – July 2009.

Member, Sectional Committee on Civil Engineering, Indian National Academy of Engineers, for selecting the Fellows of INAE in Civil engineering (since May 2007)

Member Governing Council, VKS Educational Society, Karur (since April 2009).

Member, Governing Council, Jansons Group of Institutions, Coimbatore (since Jan. 2009).

Member, Board of Studies in Environmental Sciences, Pondicherry University, Puducherry (from Dec 2010 onwards).

Member, Board of Studies in Environmental Sciences, Cochin University of Science and Technology, Kochi (from Dec 2007 onwards).

Expert Committee Member, Industrial Projects Evaluation, Ministry of Environment and Forests, Govt. of India. (From August 1999 – August 2009).

Expert Committee Member, Coastal Zone Projects Evaluation, Ministry of Environment and Forests, Govt. of India. (From Sept. 2005 onwards).

Member, Sectional Committee, Management Systems for Eco-friendly Mining Operations, Bureau of Indian Standards, Govt. of India (since April 2007).

Expert Member, National Institute of Hydrology Society, Ministry of Water Resources, Govt. of India. (Since 2006).

Member, Technical Advisory Committee, National Institute of Hydrology, Ministry of Water Resources, Govt. of India. (since 2006)

Member, Regional Coordination Committee (RCC), Detlaic Regional Centre, Kakinada (since 2005)

Member, Steering Committee, World Bank Hydrology Projects, National Institute of Hydrology, Ministry of Water Resources, Govt. of India. (2006-2009)

Member, Core Group on Floods, National Disaster Management Authority (NDMA), Ministry of Water Resources, Govt. of India. Completed the National Policy Document on Flood Management.

Technical Expert in the Hydrological Information Systems Management group Technical (HISMGCT) constituted by Ministry of Water Resources, New Delhi.

Member, Screening Committee on Approval of Engineering Colleges, All India Council of Technical Education (AICTE), New Delhi.

Member, Board of Studies, Bannari Amman Institute of Tech., Sathyamangalam, Erode. (2000-Till date)

Member, Board of Studies in Civil Engineering, Thiagarajar College of Engineering, Madurai. 1999-2001; 2004-2007; 2010-2012.

Member, Board of Studies in Civil Engg., Periyar Maniammai University, Thanjavur, Tamilnadu.

Member, Academic Council, VIT University, Vellore, Tamilnadu.

Member, Academic Council, Gayatri Vidya Parishad College of Engineering, Visakapatnam, AP. (2009 onwards)

Member, Academic Council, Kalasalingam University, Krishnan Koil, Tamilnadu.

Member, Academic Council, Karpagam College of Engineering, Coimbatore, Tamilnadu.

Member, Academic Council, National Institute of Technical Teachers Training and Research, Taramani, Chennai. (2000-2009).

Expert Committee Member, Advisory Committee, Hindu Religious and Charitable Endowment, Administration Department, Tamilnadu.

Member, Anti-Disaster Plan Committee, Government of Tamilnadu, since Feb. 1997.

Member, Technical Advisory Committee, Rain Centre, Mandaivelipakkam, Chennai.

Member, Users Committee, Hydrology Project, Central Water Commission, Govt. of India.

Member, High level Expert Committee Constituted by Hon. High Court Chennai for Assessment of Sand Mining potential in Tambiraparani River (2008-2009)

Member, Technical Evaluation Committee, Hazardous Waste landfill Site Identification, Tamil Nadu Pollution Control Board, Chennai.

Member, Tender Evaluation Committee, Tamil Nadu Pollution Control Board, Chennai.

Member, Library Advisory Committee, Tamil Nadu Pollution Control Board, Chennai.

Member, Board of Studies, Annamalai University, Tamil Nadu. 1998- 2002. 2011 onwards.

Member, Board of Studies, Thiagarajar Engineering College, Tamil Nadu.

Expert Committee member, AICTE, for Approval of Courses and Programs of Engineering Colleges.

Expert Member for Faculty Selection in other IITs and Engineering Institutions.

Expert Committee member, National Board of Accreditation, AICTE.

Expert Committee member, UGC committee for Evaluation of Deemed to be University.

Reviewer for proposals for Research Projects for various Sponsoring Agencies like DST, CSIR, MoWR, MoEF etc.

Research Advisory Committee Member, Tamil Nadu Water Supply and Drainage Board 1991-1995.

Executive Committee Member, Geographical Committee for International Water Resources Association, Washington

Member, Library Advisory Committee, IIT Madras1991-1993.

Member, Board of Academic Research. IIT Madras1995-1997.

Member, Prizes, Awards & Scholarships Sub-committee, IIT Madras, 1996-97.

Member, Discipline and Welfare of students Sub-Committee, IIT Madras,1995-1996.

Member, Campus Environmental Committee, IIT Madras, 2006- Till Date.

Nominated member, IIT Madras Campus Educational Society, 1996-98.

Nominated Member, Executive Committee, Kendriya Vidyalaya, IIT Madras. (2005-2008).

Executive Committee Member, Regional Center for IWRS, Chennai, 1997-99.

Thesis Examiner for 70 Ph. D & M.S. theses of various IITs and other Universities.

Delivered a radio speech on “Technologies developed at IIT Madras” in All India Radio (AIR), Chennai.

Delivered a radio speech on “Solid waste Management: Everyone’s Duty to keep our Environment Clean” in All India Radio (AIR), Chennai. Dec. 2005

Delivered a radio speech on “Water Management in Chennai City” in All India Radio (AIR), Chennai. Nov. 2005

Delivered a speech on “Management of Floods in Chennai” in the Raj TV during October 2005.

Delivered a radio speech on “Pollution and Its Impacts on Water Bodies” in All India Radio (AIR), Chennai, on 23^rd March 2008.

Delivered a speech on “Engineering Education: Challenges and Options” in Kalaignar TV, Chennai on 10^th February 2009.

Delivered a speech on “Pollution Free Life: A Key to success” in Sun TV, Chennai on 2^nd December 2016

Acted as Chief Guest for 27th Annual Day Celebrations of Tamil Nadu College of Engineering, Coimbatore, Tamil Nadu, held on 08.04.2011

Attended the First Meeting of High level Committee constituted for the establishment of World Class “Mega Science City” at IIT Madras, on 03.05.2011

Acted as Chief Guest and Resource Person for “National Technology Day” Celebration function in PSNA College of Engineering & Technology, Dindigul, held on 11.05.2011

Acted as Chief Guest for Students Project Contest in National Institute of Fashion Technology, Chennai, held on 12.05.2011

Delivered Valedictory Address on the 2nd batch of IDDS Program at Velammal Engineering College, Chennai, held on 17.05.2011

Chaired the Doctoral Committee Meeting for Ms.Vidnodha at Karunya University, Coimbatore, held on 11.05.2011

Attended the Doctoral Committee Meeting of Ms.Prateeba Paul in Centre for Water Resources, Anna University, Chennai, held on 24.05.2011

Delivered a lecture on “ICT for Technical Teacher Training” in 2nd State Level Science & Technology Conference, jointly organized by Karnataka State Council for Science and Technology (KSCST) & Department of Science and Technology (DST) at Indian Institute of Science, Bangalore, held on 26.05.2011

Attended the Combined Special Meeting of Twelfth Academic Council & Sixth Research Board Meeting of Periyar Maniammai University, Valllam, Thanjavur, held on 04.06.2011

Attended the Academic Council Meeting of Sri Ramachandra University, Porur , Chennai as a member, held on 21.06.2011.

Acted as Chief Guest for the function of Signing of MoU between NITTTR and Sri Aravindar Engineering College, Vanur, held on 30.07.2011.

Delivered keynote address on the occasion of Teachers Day Celebration at KCG College of Technology, Chennai, held on 05.09.2011.

Acted as Chief Guest for Dr. C.P. Gopalapuram Endowment Lecture programme on “Meet the Scientist“ and delivered a lecture on “Bio-Mimicry” organized by Tamil Nadu Science and Technology Centre, Chennai, held on 07.09.2011.

Delivered Inaugural address in International Workshop on “Sustainable Education in Global Engineering Curricula” held at P.S.N.A. College of Engineering and Technology, Dindigul.

Inaugurated and Delivered keynote Address on Sci-Tech Expo 2012 - Science and Tech Exhibition in Sree Sastha Institute of Engineering and Technology, Chennai – 123, held on 09.01.2012.

Delivered Invited Lecture on Climate Change and Climate Modelling at the Two day National Workshop on Environment and Climate Modelling at SRM University, Chennai, held on 20.01.2012

Chief Guest for Parents Day Celebration in St.Michael’s Academy, Chennai - 20, held on 28.01.2012

Chairman for Technical Session II - Climate Change Impacts & Management on International Conference on “Climate Change and CO₂ Management: Mitigation, Separation and Utilization", held on 03.02.2012

Chief Guest, held on 20.01.2012 for the College Day function of Dr. Sivanthi Aditanar College of Engineering, Tiruchendur, held on 07.03.2012

Chief Guest for 14th Annual day function of Karpagam Polytechnic College, Coimbatore, held on 16.03.2012

Conducted Doctoral Committee meeting for Ms. Balambal Usha at Centre for Water Resources, Anna University, Chennai, held on 20.03.2012

Chief Guest for National Seminar on “Sustainable Technologies for Intelligent Water and Environmental Management (STIWEM – 2018)” at Annamalai University held on 22.03.2018