64: 2025: Invited Talk entitled "Sustainable Bio-Derived Carbon Aerogel for Rapid, Efficient and Recyclable Sorbent for Organic Solvents and Oils" in the British Carbon Group, IOP & RSC conference on The Core Challenge: Research into Carbon Treatment and Recycling, 14th  May 2025 at the Henry Royce Institute, Manchester, UK.

63. 2025: Poster presentation entitled "Tuning Interlayers spacing in layered oxide materials for high intercalated pseudocapacitive charge storage" in the IOP ENERGY 2025 conference at London, Tuesday, 29th April 2025. (WON IOP-LONDON POSTER PRIZE)

62. 2024: Session Chair in the Conference on Advances in Chemistry for Energy and Environment (CACEE 2024) at TIFR-Mumbai on 20th December 2024.

61. 2024: Keynote Lecture:  The Indo-French Laboratory for Solid State Chemistry (IFLaSC or LAFICS) at the Solid State and Structural Chemistry Unit (SSCU), Indian Institute of Science (IISc) Bengaluru, India from 07 October – 08 October 2024. Talk entitled " Engineering nanostructured materials for high performance energy storage via intercalated pseudocapacitance".

60. 2024: Resource Person: Online Short Term Course, sponsored by RUSA on "Research Methodology" coordinated by Seva Sadan’s R.K.Talreja College of Arts, Science & Commerce, Ulhasnagar- 421003. Talk on "Research Proposal Design and publication ethics" on Saturday, 21st Septmber 2024.

59. 2024: Seminar talk "Engineering Nanostructured Materials for Sustainable Development and Energy Storage" at CNRS-CRISMAT, ENSICaen, Caen, France on Thursday, May 30 at 11:00 a.m.

58. 2023: Resource person: State Level workshop and hand on training on "Nanomaterials Synthesis and Electrochemical Measurement Techniques" organized by Department of Physics, DST SERB scientific social responsibility on 19th December 2023. 

57. 2023: Resource Person: Online Short-term course "Nanomaterials for Clean and Sustainable Environment" conducted by PSGR Krishnamaal College for Women, coimbatore, Tamil Nadu, Talk entitled “Functional nano-materials and their engineering aspects for high energy density storage” on 18th July 2023. 

56. 2023: Resource Person: Online Short-Term course on Nanomaterials and Nanosystems: Experimental and Computational Approach (NNECA-2023) talk entitled "Nanomaterials and their energy storage application for sustainable development" on 24 June 2023 (4.00 pm to 5.30 pm) at SGPC's Guru Nanak Khalsa College, Mumbai.

55. 2023: Resource Person: Science Association of Smt. C. H. M. college, Ulhasnagar talk entitled "Electrochemical energy storage and nanomaterials" on Thursday, 09th March 2023.

54. 2023: Poster evaluation: Two Day National Seminar on 'Advances in Chemical and Physical Sciences' organized by Department of Physics at K.B.P. College, Vashi on Saturday, 4th March 2023. 

53. 2023: Resource Person: Two Day National Seminar on 'Recent Scenario in Chemical Sciences and Materials Science' organised by Shri Vijaysinha Yadav College, Peth Vadgaon, Kolhapur on 3-4 March 2023. 

52. 2023: Resource person: Two day International Hybrid Conference on Nanoscience, Nanotechnology and Nanobioscience 2023 (ICNNN 2023) organized by department of chemistry, Veer Wajekar A.S.C. College, Phunde, Uran Maharashtra. Talk Title: Engineering nanostructured materials for high performance energy storage through intercalated pseudocapacitive mechanism on Saturday, 11th March 2023.

51. 2022: Speaker in the webinar on "Advanced Nanomateials for Renewable Energy" organized by DBT-TDNBC-DEAKIN & TERI, New Delhi. (25th   November 2022). 

50. 2022: Resource Person: Two days National Seminar on "Nanotechnology and its Applications” talk entitled "High energy stored into hybrid nanomaterials via intercalated pseudocapacitive" on 17 September 2022 organized by Department of Chemistry, Changu Kana Thakur, Arts, Commerce & Science College (Autonomous) New Panvel- 410206.

49. 2022: Resource Person: Online refresher course in Advance Instrumentation (MD) Title "Basic to advances in Microscopic Techniques" organized by UGC-HRDC, Dr. Babasaheb Ambedkar Marathwada University Aurangabad on 13 September 2022 (3 pm to 6 pm).

48. 2022: Webinar: A National Webinar on" Hybrid nanomaterials for high-performance energy storage device" on 17 Feb. 2022 at V. G. Vaze College, Mulund, Mumbai-81. 

47. 2021: Resource Person: National Webinar on "Future Perspective in Nanostructures Material and Nanotechnology " organized by Shri Muktanand College, Gangapur, Aurangabad on 30 December 2021. 

46. 2021: Guest Speaker: A National Webinar on “The Future of Energy: Renewable Energy” organized by Department of Chemistry, Sardar Vallabh Bhai Patel Government College, Kukshi District Dhar (M.P.) on 03 December 2021.

45. 2021: Invited Speaker: ICTE ATAL FDP program on, “Nanoscience and Nanotechnology: Current Perspectives in Nanomaterials Synthesis and Characterizations” organized by Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India on 09 November 2021. 

44. 2021: Invited Speaker: 2nd National Seminar on Emerging Low Dimensional Materials (NSELDM 2021), 28-30 Sept. 2021 organized by Jain University, Bangalore. Title: High energy density pseudocapacitive storage in metal oxide nanomaterials.    

43. 2021: Invited Talk: International conference on recent trends in photonics, NPS-2021 on 27 Feb. 21 - 01 March 2021 by International School of Photonics, Cochin University of Science and Technology, Kochi, Kerala.   

42. 2021: Invited Speaker: Two Days International Seminar Series in Applied Physics on 13-14 February 2021at Amity University, Mumbai. 

41. 2021: Resource Person: RUSA sponsored Seminar on "Research Methodology" organized by KBP college, Vashi on 12 February 2021. 

40. 2020: Resource Person: AICTE Sponsored Online Short Term Training Program (STTP) On “Current And Future Trends of Advances In Material Science And Technology” organized by Department of Basic Science and Humanities of Suryodaya College of Engg. And Technology, Nagpur. (26-31 October 2020)

39. 2020: Speaker: Webinar on 'Nanomaterials: Past, Present, and Future Scenarios’ on 30 May 2020 organized by Department of Chemistry, Gokhale Education Society's Arts, Commerce, and Science College,  Jawhar (Palghar)

https://www.youtube.com/watch?v=PqRTYXlXLJk&list=LLWYr4HQE7FThcyVVWoetHJw&index=4&t=3528s 

38. IYPT-2019: Invited talk at Jai Hind College, Churchgate, Mumbai, 21 Dec. 2019. [International Year of Periodic Table] 

37. IYPT-2019: Invited talk at Birla College, Kalyan, Mumbai 14 Dec. 2019. [International Year of Periodic Table]

36. 2019: I CAN N-2019- Keynote Speaker: International Conference on Advanced Nanomaterials and Nanotechnology, 26-28 November 2019, Department of Physics, University of Mumbai and Dandekar College, Palghar. 

35. 2019: Invited Talk: Two Days Seminar cum Workshop on "Future Prospective of Applied Science and Technology-2019" (FPAST-2019), Applied Science Department, Amity University, Mumbai, 24-25 September 2019.  

34. 2019: Invited Talk: National Seminar on Communicating Recent development in Science 2019 on 27-28 February 2019 at Institute of Science with National Gallery of Modern Arts, Mumbai. 

33. 2019: Invited talk: Joint INDO-EGYPTIAN symposium -2019 on 30-31st January 2019 at IIT Bombay, Pawai, Mumbai. 

32. 2019: Invited Talk: National Conference on Science, Technology, and society on 28th and 29th January 2019 at Rajiv Gandhi Centre for Contemporary studies. 

31. 2019: Evaluator for Avishkar Inter-University Convention 2019, Dr. B. R. Ambedkar Marathwada University Aurangabad on 4th and 5th January 2019. 

30. 2018: Invited talk: International Conference on Electrochemistry in Advanced Materials, Corrosion and Radiopharmaceuticals (CEAMCR-2018) February 15-17, 2018, "Functional Multilayered Carbon Nanostructures for Intercalated Pseudocapacitive Energy Storage" DAE Convention Centre, Anushaktinagar, Mumbai – 400094, India.

29. 2018: International Conference on Nanotechnology for Human Welfare 2018, H. V. Desai College, Pune.

28. 2018: Speaker at AICTE-ISTE Sponsored Referesher/Induction program on "Inclusion of Nanotechnology in Various commertial Arena" organized by K. J. Somaiya Institute of Enginerring and information, Technology, Sion, Mumbai. 

27. 2018: Judge for Aavishkar Inter-university PG-section research project competition -2018.

26. 2018: Invited talk: Terna College of Engineering, Mumbai, "Nanotechnology for sensors and advanced electronics", 2018.

25. 2017: Invited Talk: "Functional Materials for Energy Storage", National Conference on Advanced Materials (NCAM-2017), 12-13 December 2017, PSG College of Technology, Coimbatore - 641004, Tamil-Nadu. 

24. 2017: Invited Talk: Nano-carrier for drug delivery, one-day seminar at Jai Hind college, 7 Sept. 2017, Mumbai.

23. 2017: Superior supercapacitor performance of nitrogen functionalized carbon microtubes, Shobhnath Gupta, Pravin Walke, AMDP 2017, Pune, 11-15 July 2017.

22. 2017: Porous carbon materials for energy storage applications", Shobhnath P Gupta, Shakeel Rahmaan, Dattatray Late, Pravin S Walke, ICARBM-2017) CMET-IISER, Pune March 8-10, 2017.

21. 2017: Synthesis and characterization of mesoporous ZnO nanosheet for supercapacitor application”, Shobhnath P Gupta, Shakeel Rahmaan, Pravin S Walke. Birla College, Mumbai- one-day national seminar on bio-nanosciences, 29 March 2017.

20. 2017: Resource person/expert at Abjaunsh Tantradnyan (Nanotechnology) knowledge workshop at S. R. T. M. University, Nanded, Maharashtra on 17-18 February 2017.

19. 2016: Invited talk: One-day symposium on "Bionanotechnology: Future Prospects", Birala College, Kalyan, Mumbai, 17 Feb. 2016.

18. 2016: Invited talk: Recent Development in Chemical and Materials Sciences, Dapoli college, Dapoli, 5-6 Feb. 2016.

17. 2016: Invited talk: INDO-FRENCH Seminar on Nano-scaled System for Energy Harvesting in VIT, Chennai, 1-3 Feb. 2016. 

16. 2015: IEEE-IEEMA INTELECT conference and Exposition, Mumbai 22 -24 Jan. 2015.

15. 2015: Oral Presentation: 102nd Indian Science Congress in Materials Science Section "Metal decorated carbon nano-structures for super-capacitors".

15. 2014: Judge for Inter collegiate Science Exhibition cum poster competetion "Techno-Science Galaxy 2014", St. Andrew's College, Mumbai-50.

14. 2013: Invited talk: State Level Seminar on "Basics of Nanoscience and Nanotechnology", 21st Sept. 2013, KBPC college, Vashi, Mumbai.  

13. 2013: International Workshop on Nanotechnology and Advanced Functional Materials (NTAFM- 2013), Poster-Enhanced dielectric properties of Al2O3-TiO2 nanolaminates by light illumination, P.Walke,W. Prellier, S.Patil,S.Gosavi, B. Mercey, U. Luders. (The Scientific event intended to celebrate the 60th birthday of Prof. Satish Ogale by MRSI, Pune)

12. 2013: Chairing Person: 1st international conference on Physics, Mathematics, Geology and Engineering Science PMGES-2013, Pune

11. 2012: Workshop On Dielectrics In Microelectronics WODiM-2012, Dresden, Germany, Presented paper: Giant dielectric constant in Al2O3-TiO2  nanolaminates prepared by PLD, P. Walke, A. Lefevre, G. Parat, F. Lallemand, F. Voiron, B. Mercey, U. Luders

10. 2012: SOPRAO- Marie Curie FP7 meeting 2012, Stuttgart, Germany, Tuning dielectric constant by manipulating sublayer thickness of nanolaminate (Talk)

9. 2012: Participated in industrial workshop on 'Microfabrication and Production' in iPDEA 3D silicon, Caen-France.

8. 2011: Invited Speaker and member of the advisory committee: National Seminar on New Trends in Material Science NTMS 2011. 

7. 2011: SOPRANO- Marie Curie FP7 meeting 2011, Liverpool, UK, Enhancement of the surface capacitance in capacitive devices (Talk)

6. 2010: NANO2010 - X international conference on 'Nanostructured Materials' Rome, ITALY, Poster Presented: SQUID-based magnetic nanosensor for nanoparticle magnetization investigation.

5. 2009: National Conference: XIV annual conference of AISEM, Pavia 24-26 Febbraio 2009 p.61 (contribute to talk) entitle “Improved SQUID sensors for high spatial resolution magnetic imaging and nanoscale applications”

4. 2009: 9th European Conference on Applied Superconductivity, EUCAS 2009, Dresden, Germany. Presented: nano-SQUIDs based on niobium Dayem bridges for nanoscale applications

3. 2009: Participated in an international meeting on: Future Perspectives in Superconductivity  and Josephson Effect, University Of Naples, Federico-II, Italy  (The Scientific event intended to celebrate the 70th birthday of Prof. Antonio Barone)

2. 2008: Superconductivity Felix conference in Engineering Faculty, University of Naples "Federico II" Napoli, Paper Presented: Performances of integrated nano-SQUIDs based on Niobium Dayem bridges for nanoscale application

1. 2007: ND/SD 6th Biennial Joint State Conference, Fargo, North Dakota, USA Poster Presented “Growth of TiO2  nanotubes for dye-sensitized solar cells