Ø International Workshop on Earth System Processes related to Gujrat Earthquake Using Space Technology. January,27-29,2003,Indian Institute of Technology ,Kanpur,2003.
Ø “Amplitude depletion in fixed frequency VLF transmitter signal possibly due to some moderate earthquakes” INCURSI-2003,National Conference on Radio Science in India, November .27-29,2003.National Physical Laboratory (NPL), New Delhi.
Ø “Simultaneous ULF-VLF electromagnetic emissions anomalies observed at Agra associated with moderate earthquakes in Indian region”. XIII National Space Science Symposium ,17-20 February,2004,Mahtma Gandhi University Kottayam ,Kerala .
Ø “A new whistler recorder developed at Agra”.19th National Symposium on Plasma Science & Technology PLASMA-2004,07-10 December 2004, Bundelkhand University, Jhansi.
Ø “Day-night and magnetic storm effect on the phase and amplitude of 24kHz NAA VLF transmitter signals”. 19th National Symposium on Plasma Science & Technology PLASMA-2004,07-10 December 2004, Bundelkhand University, Jhansi.
Ø “Identification of earthquake sources responsible for subsurface VLF electric field emissions observed at Agra”. International Workshop on Seismo- Electromagnetics (IWSE-2005) held at the University of Electro-Communications, Chofu, Tokyo during 15- 17 March, 2005.
Ø “VLF subionospheric signals amplitude anomaly during tsunami of 26 December 2004”. A National Conference on Earthquake Processes and Seismic Hazards (EPSH) held at Department of Geophysics , B.H.U. Varanasi during 29-30 July, 2005.
Ø “Termination Time anomaly in NWC (19.8 kHz) VLF transmitter signals during tsunami earthquake of 26 December 2004”. XXVIIIth General Assembly of International Union of Radio Science (URSIGA-2005) held at Vigyan Bhavan , New Delhi during 23-29 October, 2005.
Ø “VLF/ULF amplitude anomalies related to the great Indonesian earthquakes of 26 December, 2004 (tsunami) and 28 March, 2005”. National Space Science Symposium (NSSS 2006) held at Andhra University, Vishakhapattanam during 9-12 February, 2006.
Ø “Ultra Low Frequency(ULF) amplitude anomalies during Muzaffarabad (Pakistan) earthquake of 8 October, 2005 recorded at Agra”. National Space Science Symposium (NSSS 2006) held at Andhra University, Vishakhapattanam during 9-12 February, 2006.
Ø “Ground and Satellite monitoring of ULF-VLF amplitude anomalies associated with Indonesian earthquake of 23 January,2005 ” First workshop on DEMETER satellite in France during 16-18 June,2006
Ø “Ground and satellite based monitoring of VLF/ULF amplitude anomalies related to the great Indonesian earthquakes of 26 December, 2004 (tsunami) and 28 March, 2005” International Workshop on Electromagnetic Studies related Earthquake and Volcanoes (IWEMSEV2006) held at Department of Electronics and Engineering, FET, R.B.S. College, Agra during 20-22 November,2006.
Ø “Trimpi phenomena observed at low latitude” International Workshop on Electromagnetic Studies related Earthquake and Volcanoes (IWEMSEV2006) held at Department of Electronics and Engineering, FET, R.B.S. College, Agra during 20-22 November,2006.
Ø “On the identification of seismogenic ULF emissions” International Workshop on Electromagnetic Studies related Earthquake and Volcanoes (IWEMSEV2006) held at Department of Electronics and Engineering, FET, R.B.S. College, Agra during 20-22 November,2006.
Ø “Automation of Whistler Analysis” International Workshop on Electromagnetic Studies related Earthquake and Volcanoes (IWEMSEV2006) held at Department of Electronics and Engineering, FET, R.B.S. College, Agra during 20-22 November,2006
Ø “Ultra Low Frequency (ULF) amplitude anomalies associated with the recent Pakistan earthquake of 8 October, 2005” International Workshop on Electromagnetic Studies related Earthquake and Volcanoes (IWEMSEV2006) held at Department of Electronics and Engineering, FET, R.B.S. College, Agra during 20-22 November,2006
Ø “Preliminary results of TEC monitoring at Agra” International Workshop on Electromagnetic Studies related Earthquake and Volcanoes (IWEMSEV2006) held at Department of Electronics and Engineering, FET, R.B.S. College, Agra during 20-22 November,2006
Ø “TEC monitoring at Agra: Some preliminary results”, INCURSI-2007 held at National Physical Laboratory (NPL),New Delhi during 21-24, February, 2007.
Ø “VLF amplitude and phase anomalies observed at Agra possibly related to Trimpi phenomena”, INCURSI-2007 held at National Physical Laboratory (NPL),New Delhi during 21-24, February, 2007.
Ø “ULF amplitude anomalies associated with a recent large earthquake in the subcontinent”, INCURSI-2007 held at National Physical Laboratory (NPL),New Delhi during 21-24, February, 2007.
Ø Ionospheric effect of earthquakes as determined from ground based TEC measurement and satellite data ” ,IWSEP07 held at National Institute of Aeronautics and Space, LAPAN, Bandung, Indonesia , during 6-7 November, 2007.
Ø “ Anomalous variation in Total Electron Content (TEC) associated with earthquakes” , IWSEP07 held at National Institute of Aeronautics and Space, LAPAN, Bandung, Indonesia , during 6-7 November, 2007.
Ø “Observation of ultra low frequency (ULF) bursts as precursors of earthquakes at Agra, India”, IWSEP07 held at National Institute of Aeronautics and Space, LAPAN, Bandung, Indonesia , during 6-7 November, 2007.
Ø “Effect of some major earthquakes on ionospheric TEC and Ne data as determined from ground and satellite measurement”, AOGS-09 held at Suntech, Singapore, during,10-15, August 2009.
Ø “Ground observation of electromagnetic emissions related to clusters of earthquakes”, 2nd international Demeter workshop 2011 in CNRS Orleans Paris, France during 10-11 October, 2011.
Ø “Ionospheric Perturbation Caused by Solar flares as determined from VLF subionospheric propagation Studies at Agra, India ” in Japan Geoscience Union Meeting 2013 held in Makuharei messe ,Japan during 19-24 May 2013
Ø Ionospheric effect of earthquakes as determined from ground based TEC measurement and DEMETER satellite data”, International Symposium on Monitoring and Prediction of Earth’s Environment by Using Electromagnetic Methods held at The University of Electro-Communications, Tokyo, Japan. During 27 May,2013.
Ø “Simultaneous study of ULF/VLF anomalies associated with earthquakes occurred in Japan“, American Geophysical Union Fall Meeting held in San Francisco, USA during 8-13 December,2013
Ø “Study of ULF/VLF anomalies associated with earthquakes occurred in Japan“, Atmospheric Electricity Meeting held in Gakuei University, Tokyo, USA during 9-10 January,2014.