• President: Indian Aerosol Science And Technology Association (Iasta) (2008-2023)(Www.Iasta.Org.In (Under Maintenance) Http://Www.Barc.Gov.In/Publications/Nl/2006/200603-6.Pdf, Https://Www.Yumpu.Com/En/Document/Read/22428755/Iasta-2012-Conference
• Https://Www.Prl.Res.In/~Iasta2016/Docs/Iasta2016_Brochure.Pdf
• Https://Cas.Iitd.Ac.In/Iasta2018/Pdf/Iasta-2018_Programme_Schedule.Pdf
• Https://En.Wikipedia.Org/Wiki/P._C._S._Devara
• Editor: International Journal “Aerosol And Air Quality Research (Aaqr), 2015, Continuing (Http://Www.Aaqr.Org/About/Editorial-Board)
• Editor, International Journal “Advances In Meteorology”, 2013 Continuing.
o Https://Www.Hindawi.Com/Journals/Amete/Editors/
• Editor, Editorial Board, International Journal, Navganesana
• Member, Editorial Board, International Journal Of Strategic Management, Mauritius
• Member, Editorial Board, Indian Journal Of Radio And Space Physics
• Member, Editorial Committee, Indian Meteorological Society (Imsp), Pune
• Editor, Book Entitled “Advances In Atmospheric Chemistry, Iitm, Pune
• Member, Executive Committee, Editorial Board, International Commission Of Clouds And Precipitation (Iccp)
• Member, Scientific Steering Group (Ssg) Of Sparc (Stratospheric Processes And Their Role In Climate) World Climate Research Program, Wmo, Geneva
• Member, New York Academy Of Sciences, Usa
• Member, Indian Society Of Remote Sensing (Isrs)
• Member, Indian Science Congress Association (Isca)
• Life Member, Optical Society Of India (Osi)
• Life Member, Ocean Society Of India (Ocsi)
• Life Member, Laser And Spectroscopy Of India (Lassi)
• Member, Organizing Committee, Indo-Us Symposium On “Air Q And Health Issues: The Global Experiences” In Collaboration With Niehs, Nyu, Jhu And Us-Epa, Auh 07 November 2016
• Scientific Advisor, Clean Air Equipment Pvt Ltd., Australia
• Member, Scientific Advisory Board, Stratoclim, Germany, 2015
• Expert Reviewer Of:
• European Science Foundation (Esf), 2015 Continuing
• United Nations Environmental Program (Unep), 2013 Continuing
• Inter-Governmental Panel On Climate Change (Ipcc), 2012 Continuing
• National Science Foundation (Nsf), 2012 Continuing
• Program Advisor, International Stratoclim Science Program, Participation In The Scientific Advisory Board Meeting Of Stratoclim, Held At Universidad Completeness De Madrid (Ucm), Madrid, Spain During 16-18 November 2016
• Member, Community Of Researchers (Cors) Joint Indo-Us Effort For Combating Air Pollution In In North India. “Indo-Us Workshop On Exploring Bilateral Research Efforts To Address Air Quality And Health Issues” In New Delhi On November 8-10, 2016
• Participated And Delivered Concluding Remarks At The International Symposium Held At Auh On 7 November 2016
• Joined The Honorable Chancellor Sir’s Visit On August 20, 2017, To Amity Air Quality Monitoring Station (Aqms) Installed In The Auh Campus
• Being President, Iasta, Coordinated The Organization Of National Conference Of Indian Aerosol Science And Technology (Iasta) At Indian Institute Of Technology (Iit-D), New Delhi, During 26-28 November 2018
• Participated In The International Conference At Amity University, Lucknow; Nov. 29 To Dec.1, 2017
• Participated In The 24th International Conference On Aerosol Science And Technology (Icast), 8-9 September 2017, Taiwan
• Participated In The International Conference On Environment And Disasters, Iced-2017, June 9-12, 2017, Kunming, China
• Organized A National Workshop On “Role Of Aerosols In Air Quality, Weather And Climate”, Organized At Amity University Haryana (Auh), Gurugram, On 8 January 2015
• Participated In The India International Science Festival, Indian Institute Of Technology Delhi, New Delhi, Participated In The Global R&D Summit, Organized By Dst And Ficci, During 4-8 December 2015.
• Participated In The International Conference On Water, Environment, Energy And Society (Icwees 2016), Aisect University, Bhopal, 2016.
• Organized The Visit Of Prof. Dr. Kirk R. Smith, Prof. Of Global Environmental Health, University Of California Berkeley, Usa, At Auh, Gurgaon During The Indo-Us Workshop On Sustainable Strategies For Reducing Air Pollution, 25-26 May 2016
• Participated In The National Innovation Conclave “The Kumbh Of Innovation” Auh, 5th – 6th October 2015.
• Participated In The Workshop On Air Pollution At Sources And Mitigation Strategies – World Environmental Day Celebrations, Amity University Uttar Pradesh (Auup), Noida, 15 May 2017
• Participated In The Two-Day International Workshop On "Tackling The Challenges At Urban Air Pollution -Linking Research And Policy For Air Quality Improvement", Scheduled To Be Held At The India Habitat Centre, Lodhi Road, New Delhi During 6-7 March 2019.
• Participated In A National Conference On “Impact Of Climate Change On Air Quality, Biodiversity And Agriculture”, Amity University Rajasthan (Aur), Jaipur, October 13-15, 2016
• Meeting With High-Level Delegation From Teikyo University, Japan, At Auh On May 30, 2017
• Organized A Visit Of Prof. V. Ramaswamy, Director, Geophysical Fluid Dynamics Laboratory (Gfdl), Princeton, New Jersey, Usa, At Auh, Gurugram On 11 April 2017. Prof. Ramaswamy Delivered A Guest Lecture On Role Of Air Quality In Regional And Global Climate Change
• Participated In The 5th International Skynet Workshop (Isw2019), Ministry Of Earth Sciences, Prithvi Bhawan, International Symposium On Skynet, Held At Moes, New Delhi, On 13-15 February 2019
• Participated In The Scientific Discussions At International Workshop On Confronting Air Pollution At Its Source, A Project Sponsored By The North India Office, Us Embassy During 11-12 March 2019
• Participation Of Prof. Dr. P.C.S. Devara In International Conference On Stratoclim, Awi, Potsdam, Germany, 20-24 May 2019
• Participated In An International Conference On Molecular Medicine - From Bench To Bedside And Beyond, Auh, Gurugram During 29-30 August 2019.
• Co-Organized The International Symposium On “Air Pollution: Causes, Mitigation And Strategic Actions” Held At Auh, Gurugram On 20 September 2019
• Participated In A Meeting Between Auh And Iit-D At Iit-D In Connection With Setting-Up Of ‘Decision Theatre’ At Auh, Gurugram, On October 25, 2019
• Participated In The Ihw’s “Good Air Summit”, Held At Jawahar Lal Nehru Stadium, New Delhi On November 13, 2019
• Participated In The Usaid Meeting On 'Opportunities For Cleaner Air And Better Health’, Held At Clairidge Hotel, New Delhi, On December 7th, 2019.
• Participated In The Scientific Discussions With Prof. Tamio Takamura, Director, Centre For Environmental Remote Sensing (Ceres), Chiba University, Japan; And Prof. Teruyuki Nakajima, Director, Earth Observation Research Center (Eorc), Japan Aerospace Exploration Agency (Jaea), Japan, During Skynet Meeting On 14 February 2019 During The International Skynet Workshop (Isw2019), 13-15 February 2019, New Delhi
• Participated In The Scientific Discussions With Prof. Mukesh Khare, Iit-Delhi In Connection With Pm2.5 Measurements At Auh, Panchgaon During Days, Commencing From 08 October 2018, Under An International Collaborative Project Titled An Integrated Study Of Air Pollutant Sources In The Delhi Ncr (Asap-Delhi)
• Referee To Journals – Atmospheric Environment International); Journal Of Aerosol Science (International); Current Science (National)’Meteorology And Atmospheric Physics (International); Journal Of Geophysical Research (International); Environmental Pollution (International); Atmospheric Pollution Research (International); Atmospheric Environment (International); Atmosphere (International); Plus One (International); Atmosfera (International); Climate Dynamics (International); Science Of The Total Environment (International); Urban Climate (International); Aerosol Science And Engineering (International); Tellus (International); Atmospheric Chemistry And Physics (International); Journal Of Atmospheric Chemistry And Physics (International); Aerosol And Air Quality Research (International) And Nature (Applied Physics), Singapore (International); Heliyon (International); Environmental Pollution (International); Atmosphere (International); Mausam (National).
• Organized World Meteorological Organization Day (Wmd) Celebrations At Auh, Gurugram In 2012, 2013, And 2024.