1. J.J.L Hmar, T. Majumder, J.N. Roy S.P Mondal, Growth and Characteristics of PbS–Polymer Nanocomposites for Flexible Opto-Electronic Device Applications Proc. 12th International Conference on Fiber Optics and Photonics, Indian, December 13-16, 2014. Institute of Technology Kharagpur, India
2. J.J.L Hmar, T. Majumder, S. Dhar, S.P Mondal, Photosensing Behaviors of Carbon Quantum Dot Sensitized ZnO Nanorod/Conducting Polymer Flexible Hybrid Devices, Proc. 18th International Workshop on Physics of Semiconductor Devices (IWPSD-2015). December 7-10, 2015, Indian Institute of Science, Bangalore, India,
3. J.J.L Hmar, T. Majumder, S. Dhar, S.P Mondal, Photosensing Behaviors of S and N co-doped Graphene Quantum Dot Sensitized ZnO Nanorod/Conducting Polymer Hybrid Devices, IEEE International conference on Microelectronics, Computing and Communication (MicroCom 2016). , January 23 -25, 2016. National Institute of Technology Durgapur, India.
4. J.J.L Hmar, T. Majumder, S. Dhar, S.P Mondal, High Dielectric and Photoconductive Properties of ZnO Nanosheets-Multi-Walled Carbon Nanotube-Polymer Nanocomposites” National seminar on Recent trend of Research in Chemistry- A New Horizon of Hopes 7-8 August, 2015, Women College, Agartala, Tripura, India
5. J.J.L Hmar, T. Majumder, S. Dhar, S.P Mondal, Optical and High Dielectric Properties of Lead Sulphide (PbS) Nanocomposites embedded in Polymer (Polyvinyl Alcohol) Matrix, National Conference on Recent Development & Applications in Chemical Sciences (RDACS-2016), 20-21 May, 2016, Department of Chemistry National Institute of Technology (NIT) Agartala.
6. J.J.L Hmar, T. Majumder, S. Dhar, S.P Mondal, Quantum Dot Size Dependent J-V Characteristics of Lead Sulphide-Polyvinyl Alcohol (PbS-PVA) Nanocomposites for Flexible Electronic Device Applications, National Level Conference on “Engineering Problems and Application of Mathematics (EPAM-2016)” 11-12 June, 2016, Department of Civil Engineering & Department of Mathematics National Institute of Technology, Agartala.
7. J.J.L Hmar, Zinc Oxide Nanoparticles Decorated Multi-Walled Carbon Nanotube (MWCNT) Embedded in Polyvinyl Alcohol (PVA) Matrix for High Dielectric Devices, National Conference on Materials for Sustainable Development and New Technology MSDNT-17, April 28 - 29 – 2017, Department of NanoScience and Material, Central University of Jammu
8. J.J.L Hmar, Optical and Electrical Properties of Lead Sulphide (PbS) Nanoparticle Embedded Polyvinyl Alcohol PVA) Nanocomposites for Flexible Electronic Device, ASAR-International Conference on Environment and Renewable Energy (ASAR-ICERE-2017), 7th May, 2017, Delhi Asian Society for Academic Research (ASAR) and in association with Institute of Research and Journals (IRAJ) (ISO 9001:2008 certified).
9. J.J.L Hmar, Resistive Switching Memory Devices using ZnO Nanoparticles Encapsulated in Polyvinyl Alcohol (PVA) Matrix, Recent Advances in Experimental and Theoretical Physics (RAETP-2018), April 17-18, 2018, Department of Physics & Astronomical Sciences Central University of Jammu Rahya-Suchani (Bagla), Samba, India.
10. J.J.L Hmar, Non-volatile Resistive Switching Memory Based on Conducting Polymer, International conference on Advanced Materials (ICAM-2019), 6-7 March,2019, Central for Nanoscience & Nanotechnology, Jamia Millia Islamia, New Delhi, India
11. Jehova Jire L.Hmar, Advances in Flexible Non-volatile Resistive Switching Memory Based on Conducting Polymer, International e-Conference on Advanced Functional Materials and Optoelectronic Devices (ICAFMOD-2020), organized by Centre for Renewable Energy, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, VBS Purvanchal University, Jaunpur from June 13-15, 2020.
12. Jehova Jire L.Hmar “flexible resistive switching memory based on conducting polymer poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)” in the International Virtual Conference on “innovative research in chemical sciences (IRCS-2020)” organized by the Department of Chemistry, SRM Institute of Science and Technology, Ramapuram Campus, Chennai-89 during 29th and 30th June, 2020.
13. Jehova Jire L.Hmar “Flexible Resistive Switching Memory Based on Organic Material” One Day National online seminar on "Recent Trends in Materials Research "organized by Department of Physics, Rayat Shikshan Sanstha's Balwant College,Vita Dist- Sangli. Affiliated to Shivaji University, Kolhapur on 29th July 2020, India
14. Jehova Jire L.Hmar, Oral presentation on “Advance Technology on Organic Conducting Polymer for Flexible Memristor” in international Conference on “International Virtual Conference on Recent Trends in Energy Materials (INCRTEM2020)” during September 09-11, 2020. Alagappa University.
15. Jehova Jire L.Hmar, Title of presentation “ Flexible Nonvolatile Memory Device Based on Gold doped PbS embedded in Polymer Matrix” Second International Virtual Conference on Multidisciplinary Aspects in Chemistry (ICMAC-2023) to be held from 9th & 10th February 2023, Organized by Department of Chemistry Sri Ramakrishna College of Arts & Science Coimbatore-641006, Tamil Nadu
16. Jehova Jire L.Hmar, Title of presentation “ Development of organic conducting polymer for flexible nonvolatile memory devices, Virtual Event on “World Congress on Nanotechnology Advances and Applications-WCNAA 2021” held on December 17, 2021, LUMIMINDS CONVENTIONS and WCNAA 2021 ORGANIZING COMMITTEE
17. Oral Presentation on “Wearable Memristor Devices Based on Gold doped Lead Sulphide Encapsulated Polymer Matrix” International Conference on Advanced Materials (ICAM-2023), Dec., 8-9, 2023, Department of Physics, ST. Joseph’s College (Autonomous) Tiruchirappalli – 620002