Participated in an interview on the devastating effects of Tsunami that was telecast by private TV channel, Jaya TV on 27.12.2004 (in Tamil)

Participated in a live broadcast by Rainbow FM 107.1 (All India Radio) on 31.12.2004 at 5.15pm under the theme “Ariviyal Arangam”(in Tamil) 

On the request of the Rotary Club of Tambaram, a lecture on the generation and propagation of Tsunami was delivered on 2nd Jan 2005

Participated in an interview on the devastating effects of tsunami and safety measures to be followed that was telecast by private TV channel, RAJ TV on 13.1.2005

Participated in an interview on the devastating effects of tsunami and safety measures to be followed that was telecast by Doordarshan (Govt. of India) Podigai TV channel on 13.1.2005

The effects of groins designed and executed under my supervision in Kanyakumari district and in Chennai in reducing the inundation of sea water, saving several villages were published in leading English daily newspapers, The Hindu, The Times of India, The Indian Express in English and in popular Tamil magazines like Kumudam and Anandavikatan

Participated in a one hour live question and answers session program, “Ungalukku Theriyuma” in Tamil on 25th Jan’05 conducted by Doordarshan (Pothigai TV), Govt of India.

Member, Committee to review protection measures for future events of tsunami for the facilities of Dept of Atomic Energy, Govt. of India situated Kalpakkam, Chennai

Special Invitee for the disaster management plan committee for Govt. of Kerala.

Member committee for Anti- Sea works for Tamil Nadu coast, for public works department, Govt. of Tamil Nadu.

Delivered a keynote lecture titled “Tsunamis and their effects” in the National seminar on Geo-science and Environment organized by University of Madras 27-28 Jan 2005.

Invited to present a lead paper in the National workshop on Formulation of Science Plan for “Coastal Hazard Preparedness” in National Institute of Oceanography, Goa 18-19 Feb 2005. This is the follow up a Brainstorming session on the great tsunami of 26th Dec 2005 conducted by Dept. of Science & technology, Dept. of Ocean development and Indian National Science Academy, Govt. of India.

Keynote lecture on Coastal Protection in seminar on “Tsunami & Coastal protection” conducted by Kerala State Council for Science, Technology & environment, Government of Kerala on 11 Feb 2005.

Delivered a keynote lecture on “Tsunami-Generation, propagation and its effects” in the workshop on “Remote Sensing and GIS for Disaster Management” Anna university, Chennai, 9 March 2005

Delivered a keynote lecture on “Tsunami-Generation, propagation and its effects” in a one day theme meeting on ‘Tsunami-effect on coastal structures’ organised by Nuclear Power Corporation of India Limited, Mumbai on 22.4.05

Delivered an invited lecture on “Effects of Tsunami along Indian Coast and proposed mitigation measures” in the plenary session of Intl. Conf on “Solutions to Coastal Disasters” organized by American Society of Civil Engineers (ASCE) in Charleston, SC, S.A (9-11 May 2005)

“Tsunami – Generation, Propagation & Effects” Anna Adarsha College,16 sep’05

Invited lectures “Tsunami – Generation, propagation & Effects” and “ Planning of coastal protection measures considering the effect of tsunami along the coast of Tamil Nadu” Sakthi Mariamman Engineering College, 19 jan ’05 and Sree Sastha Institute of Engineering and Tech on 17 Feb’05, Thyagaraja Colleg of Enng, Madurai on 16 Mar’06

Delivered keynote address on “A revisit to Coastal Regulation Zone notification of 1991 of Govt. of India, organized by M.S. Swaminathan research foundation in Visakaptanam 24 Feb’06.

Delivered a keynote address in a National Level Technical Meet, ‘Civilisation 2006’, Anna university 23 Feb’05

Participated in a digital video conference with the experts from NOAA stationed in Seattle, Washington, on “Early Warning System” on 23 Aug 2006 organised by U.S. Consulate in Chennai

Participated as invited speaker in the 1st Asia – Link Symposium in India, Co-operation and Mobility between Europe and India, 24 November 2006, New Delhi

Delivered an expert lecture on “Coastal Disaster, Mitigation & Management Measures” as a part of 37th National safety day program conducted at Satish Dhawan Space Centre (SHAR) on 4 March 2008

Delivered keynote lecture titled” Recent Research on tsunami related projects” National conference HYDRO 2009, CWPRS Pune, 17-18 Dec 2009

Delivered the S N Gupta Memorial Lecture, on, “Recent research progress in the Coastal Process and Dynamics”, Proceedings of National conference on Hydraulics, Water Resources, Coastal and Environmental Engineering (HYDRO), IIT Bombay, Mumbai.7-8th2012.

Delievered special lectures in Tohoku Univ, Waseda univ, Kyoto univ, Nihon univ and Univ of Siatama, Japan during my visit to Japan as JSPS fellow.

Delivered key note lecture on “Post tsunami coastal protection measures along Kerala and Tamilnadu” in International Conference on water resources, coastal and ocean engineering, ICWRCOE, 12th–14th Mar 2015.