Invited Seminars ( in India and Abroad )

• Space Physics Laboratory (SPL) of Vikram Sarabhai Space Centre (VSSC), December 1998: An Aerosol Model for Natural and Anthropogenic Aerosols over Tropical Indian Ocean derived from INDOEX data.


• Space Physics Laboratory (SPL) of Vikram Sarabhai Space Centre (VSSC) on 25th March 1999: Aerosol Radiative Forcing over the Tropical Indian Ocean.


• Centre for Atmospheric and Oceanic Sciences, Indian Institute of Science, Bangalore on December 20, 1999: Observational Determination of Aerosol Solar Radiative Forcing in the Tropics.


• SERC school on Mathematical Modeling of Air Pollution, at UGC-DST Centre at Bangalore University on June11, 2001. (1) Atmospheric Aerosols and (2) Indian Ocean Experiment.


• 68th Annual Meeting of Indian Academy of Sciences, at Panjab Univeristy, Chandigarh, Novmeber, 2002: Enhanced Aerosol Loading over Arabian Sea during Pre-monsoon Season: Natural or Anthropogenic?


• Department of Atmospheric Sciences, Cochin University of Science and Technology, 13th December 2001: Aerosols and Climate


• Department of Atmospheric Sciences, Cochin University of Science and Technology, December 2002: Aerosols as Cloud Condensation Nuclei.


• Department of Physics, Sri Krishnadevaraya University, Anantapur, on 6th February 2003: Recent Advances in Aerosol Science in India.


• National MST Radar Facility, Gadanki, Tirupati, Winter School, 2002: Natural and Anthropogenic Aerosols over India.


• SERC School on Mathematical Modelling of Air Pollution, at UGC-DST Centre at Bangalore University on 02nd and 3rd December 2003: Atmospheric Aerosols and Climate


• PES College of Engineering, Mandya, 28th January 2004: Aerosols over Indian Region


• Fourth Winter School on Indian MST Radar, 24 January 2004: Measurement of Aerosols


• Workshop on Tropical Atmospheric Chemistry and Aerosols, Physical Research Laboratory, Ahmedabad, 25-26 March 2004: Spatial Heterogeneity and Temporal Variations of Aerosols over Arabian Sea


• UGC-Academic Staff College, University of Kerala, Kariavattom Campus, Thiruvananthapuram,14th February 2005: Remote sensing of aerosols using LIDAR.


• ACTE-QIP STTP: GIS and RS applications in Environmental Management, Center for Contemporary Studies Seminar Hall Complex 'Remote sensing of Atmospheric Aerosols' on 14th August 2005: Remote sensing of the atmosphere using lasers


• College of Engineering, Thiruvananthapuram, 24th April, 2007: Application of lasers in atmospheric remote sensing


• Bangalore University, 15 January 2007: Air Pollution and its impact on environment.


• NASA Goddard Space Flight Center, 02 April 2008, "Climate implications of elevated aerosols layers over India".


• University of Alabama, Huntsville, USA (10th April 2008), "Excess absorption by aerosols over India".


• Argonne National Laboratory, USA (17th April 2008), "Results from ICARB Field Campaign".


• Physical Research Laboratory, 12 August 2008: Exploring the Impact of Aerosols on Regional Climate: Elevated warming or Surface Cooling?


• Laboratoire Image et Ville, Strasbourg, France (02 September 2008), "Observations relavant to air quality studies at Bangalore, India"


• Max Plank Institute of Chemistry, 04 September 2008: "Excess absorption by elevated aerosol layers over India: Climate implications"


• Argonne National Laboratory, USA (Jan 2010), "Field Campaigns in India".


• Annual Meeting of Indian Academy of Sciences, PRL, Ahmedabad, November, 2011


• Kerala Science Congress 2011, Rubber Board, Kottayam.