- The 5th OFES International Workshop: 10-year progress of GCMs for the ES and future strategic perspective, 2013, Global Oceanographic DAta Center (GODAC)/JAMSTEC in Nago, Okinawa, Japan.
- Indo-French Brainstorming Seminar on Atmospheric Sciences, 2013, New Delhi, India.
- Joint "Knowledge for Future" Assembly, IAHS-IAPSO-IAPSEI, 2013, Gothenburg, Sweden.
- Indo-European Research Facilities for Studies on Marine Ecosystem and Climate in India (INDO-MARECLIM), 2013, Kochi, India.
- International Workshop on Operational Oceanography for Developing Countries, 2013, Beijing.
- "Model exploration of Indian Ocean physics and biology", Aizu University, 2010, Japan.
- TIFR Wednesday Colloquium, "Exploring Indian Ocean using an ocean model" 2010, Mumbai.
- Silver Jubilee Celebration Lecture, Goa University, "Indian Ocean exploration using an ocean general circulation model", 2010, Goa.
- Fellows Lecture,"Impact of physical processes on Bay of Bengal biology", Platinum Jubilee Meeting, Indian Academy of Sciences, 2009, Hyderabad.
- PRL Colloquium, "Exploring Indian Ocean variability using an ocean model", 2008, Ahmedabad.
- Seminar, "Ocean dynamics of the 2006 Indian Ocean dipole" Yonsei University, 2008, Seoul, South Korea.
- Seminar, "The 2006 Indian Ocean Dipole" Pusan National University, 2008, South Korea.
- Seminar, "The 2006 Indian Ocean Dipole" Seoul National University, 2008, South Korea.
- Seminar, "Oceanic processes associated with the 2006 Indian Ocean Dipole" APEC Climate Centre, 2007, Busan, South Korea.
- "Indian Ocean Dipole and Monsoons", Special Invited Lecture, Institute of Technology, Bandung, 2005, Indonesia.
- "Droughts of the Indian summer monsoon" at National Institute of Oceanography, Goa, India, 2004.
- "Phytoplankton blooms in the Bay of Bengal" SAC, Ahmedabad, India, 2003.
- "Monsoon currents in the North Indian Ocean", FRCGC, Tokyo, Japan, 2003.
- "First results from the Argo floats in the Arabian Sea", INCOIS, Hyderabad, India, 2003.
- "Indian Ocean dipole in an ocean general circulation model, Cochin Univ. Sci&Tech., India, 2003.
- "Modeling Indian Ocean Dipole", Science Day Lecture NPOL, 2003, Kochi, India.
- "Observations of barrier layer formation in the Bay of Bengal", CSIRO Marine Research, Hobart, Australia, 2001.
- "Observations of barrier layer formation in the Bay of Bengal", FRSGC, Tokyo, Japan, 2001.
- "Thermal domes in the Bay of Bengal", Texas A&M University, USA, 1998.