Dipu sukumaran, 2020 "Water security and conservation” .Samagra Siksha Kerala, BRC-Thalavady, Alappuzha on for higher secondary students.

Dipu sukumaran, 2020. "Water Quality and its importance” Samagra Siksha Kerala, BRC-Ambalappuzha, Alappuzha on for higher secondary students.

Dipu sukumaran, 2019 “Climate change and water resources of Kerala” in School of Earth System Sciences, University of Kerala on 19th September, 2019, Department of Environmental Sciences, University of Kerala, Kariavattom.

Dipu Sukumaran, 2019 “Water Quality and Health “ at Jalasangamam-Kerala Water Summit-2019 organized by Haritha Keralam Mission and Department of Irrigation Govt. of Kerala at Tagore centenary hall, Thiruvananthapuram

Suvarnakumari N, Sudheesh M and Ansar S.(2011).Water quality assessment of integrated Mangrove aquaculture farming system in selected ponds of Munroethuruthu Panchyath,Kollam,Kerala.3rdInternational Geography Congress,CWRDM,Kozhikode,May 06-08 ,2011 Abstract Volume pp 121-122

Suvarnakumari N, Sudheesh M and Ansar S.(2011).Water quality assessment of integrated Mangrove aquaculture farming system in selected ponds of Munroethuruthu Panchyath,Kollam,Kerala.3rdInternational Geography Congress,CWRDM,Kozhikode,May 06-08 ,2011 Abstract Volume pp 121-122