Conference Presentation & Participation
Invited Talks:
1) Delivered an invited talk entitled “Mid-latitude D-region ionospheric disturbances during some of the major SSW events in the northern polar region observed through low frequency radio signals” at the 50th Anniversary International Symposium of Centre for Space Science and Radio Engineering (SSRE) of the University of Electro-Communication, Tokyo, Japan during 25-26 June, 2018.
2) India‟s Space Success and Chandrayaan, in a seminar on “50 Years of Moon Landing”, 8th August, 2019, Harmasra High School, Bankura.
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Contributed Talks/Posters:
26) Observation of D-region Ionospheric Disturbances due to Solar Eclipses Using the
Ground-Based VLF Radio Network, Commission E: Electromagnetic environment and interference, 2022 URSI-Japan Radio Science Meeting (URSI-JRSM 2022), September 1-2, 2022, Chuo University, Tokyo, Japan (Oral Presentation). http://www.ursi.jp/content/files/JRSM2022/JRSM2022_Program_20220831d.pdf
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25) Network observations of D-region ionospheric disturbances during the two recent solar eclipses, PS2 (Middle atmosphere, atmospheric coupling, dynamics, and climate change) in the 21st National Space Science Symposium, January 31 -February 4, 2022. (Poster)
https://cessi.iiserkol.ac.in/nsss/Abstract_Booklet.pdf
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24) Presented a paper titled “Effects of thunderstorms on the lower ionosphere as observed by VLF radio signals” in the AGU (American Geophysical Union) Fall Meeting 2020, 1-17 December 2020 (online).
23) Presented an invited paper titled “Response of the mesosphere and lower ionosphere to the Extremely Severe Cyclone „Fani‟ of 2019 over the North Indian Ocean” in the URSI GASS 29 August – 05 September 2020, Rome, Italy (web version).
22) Participated in the 4th Regional Science & Technology Congress (Southern Region), West Bengal on 23-24 December, 2019 and presented a paper. (Poster)
21) Participated in the Young Scientist Conference as a part of “India International Science Festival-2019”, Kolkata, November 5-8, 2019 and presented a paper on the theme "Frontier Areas of Research". (Poster)
20) High latitude and mid-latitude ionospheric disturbances associated with some major stratospheric warming events in the Northern hemisphere, EGU General Assembly 2019, Vienna, Austria, 7-12 April, 2019. (Oral)
19) A study of total lightning characteristics of thunderstorms over Gangetic West Bengal, URSI-APRASC, New Delhi, 09-15 March, 2019. (Oral)
18) Total lightning activity during Nor'wester events over Gangetic West Bengal, 3rd Regional Science and Technology Congress (Western Region), Sidho Kanho Birsa University organized by the Department of Higher Education, Science and Technology and Biotechnology, Govt. of West Bengal December 20-21, 2018. (Oral)
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17) Sub-ionospheric VLF/LF signal disturbances associated with the major sudden stratospheric warming event of 2009, Atmospheric electricity phenomena and Natural Hazards, University of Calcutta on 5th May, 2017. (Oral)
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16) Atmosphere and ionosphere connection as revealed by the network observation of Very Low Frequency radio signals, The URSI-Japan Radio Science Meeting (URSI-JRSM 2015), September 3-4, 2015, Tokyo Institute of Technology, Japan (Poster).
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15) Relationship between nighttime VLF amplitude and total column Ozone data: Possiblity of monitoring atmospheric Ozone from VLF remote sensing, 1st URSI Atlantic Radio Science Conference (AT-RASC 2015), May 18-22, 2015, Gran Canaria, Spain (Oral presentation).
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14) Remote Sensing of Atmospheric Gravity Waves (GWs) and Planetary Wave Type Oscillations (PWTOs) in the upper mesosphere-lower ionosphere system using the Very Low Frequency transmitter data, 31st URSI General Assembly and Scientific Symposium, 16-23 August, 2014, Beijing, China (Poster presentation).
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13) Low latitude sub-ionospheric VLF signal behavior during the two recent solar eclipses: observation and simulation, 31st URSI General Assembly and Scientific Symposium, 16-23 August, 2014, Beijing, China (Poster presentation).
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12) Characteristics of lightning associated transient perturbations in low latitude VLF paths, 31st URSI General Assembly and Scientific Symposium, 16-23 August, 2014, Beijing, China (Poster presentation).
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11) Possible relation between the night time VLF amplitude and total Ozone variation, 91st workshop of Japan Society of atmospheric electricity, Gunma University, Japan, July 11-12, 2014 (Oral presentation).
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10) Modeling of sub-ionospheric VLF signal perturbations associated with total solar eclipse 2009 in Indian subcontinent, 39th COSPAR Scientific Assembly (Session C0.4) in Mysore, India during 14 - 22 July 2012 (Oral presentation).
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9) First Ever VLF Monitoring of Lunar Occultation of a Solar Flare during the 2010 Annular Solar Eclipse and its effects on the D-region Electron Density Profile, 39th COSPAR Scientific Assembly (Session C1.1) in Mysore, India during 14 - 22 July 2012 (Poster presentation).
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8) Multi-satellite observation of Lunar Occultation of X-ray emission from a Solar Flare during the 2010 Annular Solar Eclipse, 39th COSPAR Scientific Assembly (Session E2.6) in Mysore, India during 14-22 July 2012 (Poster presentation).
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7) Modeling of Sub-ionospheric VLF Signal Perturbations associated with Total Solar Eclipse-2009 in India, Indo-US Workshop on Advancing VLF Science through the Global AWESOME Network, in Goa, India during 28 Nov-01 Dec, 2011 (Poster presentation).
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6) Modeling VLF signal amplitudes over Indian sub-continent during the total solar eclipse, XXX URSI General Assembly and Scientific Symposium of International Union of Radio Science, 13-20 August, 2011, Istanbul Lutfi Kirdar Covention and Exhibition Centre, Istanbul, Turkey (Poster presentation).
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5) Computation of amplitude and phase of VLF radio waves: Results from comparative study between wave-hop and waveguide mode theory, XXX URSI General Assembly and Scientific Symposium of International Union of Radio Science, 13-20 August, 2011, Istanbul Lutfi Kirdar Covention and Exhibition Centre, Istanbul, Turkey (Poster presentation).
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4) Numerical Modelling of VLF Radio Wave Propagation and Comparison with Observations, International workshop on Seismo-Electromagnetics and Atmospheric Science (IWSE AS-2010), 16-18 November, 2010, Hotel Marina, Agra, India (Poster presentation).
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3) Theoretical study of the Diurnal and Seasonal behaviour of VLF signals using wave-hop theory and waveguide mode theory, AOGS 2010, 7th Annual Meeting and Geosciences World Community Exhibition, 5-9 July, 2010, Hyderabad International Convention Centre, India (Oral presentation).
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2) Theoretical study of the Diurnal and Seasonal behaviour of VLF signals and comparison with VLF campaign data, First International Conference on Science with Very Low Frequency Radio Waves: Theory and Observations, Kolkata, India, March 13-18, 2010 (Oral presentation).
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1) Theoretical study of the diurnal behaviour of the VLF signals and comparison with VLF campaign data, The Sharjah-Standford AWESOME VLF Workshop, College of Sciences,
University of Sharjah, UAE, Feb. 22-24, 2010 (Oral presentation).
RESEARCH TRAINING AND PARTICIPATION IN SCIENTIFIC ACTIVITIES
9) Radar Training Workshop (Commission F), March 10, 2019, APRASC Pre-Conference Workshop, New Delhi.
8) Global Navigation Satellite System (GNSS) Workshop, March 09, 2019, APRASC Pre-Conference Workshop, Prithvi Bhavan, MOES, New Delhi
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7) Participated in the “Brainstorming meeting on Stratosphere-Troposphere Radar”, Organized by the Institute of Radio Physics and Electronics, University of Calcutta, 18-19 January, 2019, Kolkata and presented research plan.
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6) Participated in the “The Polar Upper Atmosphere: from Science to Operational Issues”, held in L‟Aquila, Italy, September 1721, 2018, organized by the International Scholl of Space Science (ISSS), Italy.
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5) Participated in the “Workshop on Satellite Navigation and Application of GNSS/NavIC” during 05-06 April, 2018 organized by the National Atmospheric Research Laboratory (NARL), Gadanki, India.
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4) Actively participated in the 96th Science Academies’ Refresher Course in Experimental Physics, February 6-21, 2018, Sidho-Kanho-Birsha University, Purulia, WB.
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3) Participated in the Seminar on “Materials for Biomedical Engineering”, 29th April, 2017, Department of Basic Science, Gargi Memorial Institute of Technology, Baruipur, Kolkata 700144.
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2) Participated in the seminar Natural Disaster Phenomena: Contemporary Developments, Department of Atmospheric Sciences, Calcutta University, February 26, 2016.
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1) First Kolkata Workshop on Role of Small Telescopes in Modern Astronomy Research, November 7–8, 2011 at S. N. Bose National Centre for Basic Sciences, Kolkata.
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