"Raman Spectroscopy", 20th, Feb–2023, Department of Physics, PTM Government Arts & Science College, Perinthalmanna, Kerala State-679322.

"Basics of Raman Spectroscopy", 19th, March–2022, Webinar by Department of Physics, Mount Seena College of Arts and Science, Akalur, Palakkad, Kerala State-679302.

"The fundamentals of Raman Spectroscopy", 10th, Jan–2022, Webinar by Department of Physics, SN College, Chelannur, Kerala State.

“Raman Effect and its Spectroscopic Applications”, International Webinar, 27th, Feb–2021, Government Polytechnic College, Perinthalmanna in association with Kerala State Council for Science, Technology and Environment (KSCSTE)

“Basics of Raman Spectroscopy”, 26th, Feb–2021, E. K. N. M. Government college, Elerithattu, Kasaragod, Kerala

“Optical Fibre Sensors and Their Applications”, Raman Optronic Webinar Series-2020: International Webinar Series, 27th, Nov–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“Photonic Crystals and Their Applications”, Raman Optronic Webinar Series-2020: International Webinar Series, 20th, Nov–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“Reactive Functional Graft Copolymers For Biomedical Applications”, Raman Optronic Webinar Series-2020: International Webinar Series, 11th, Nov–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“Raman Scattering-Current Trends in Interdisciplinary Research”, Raman Optronic Webinar Series-2020: International Webinar Series, 07th, Nov–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“Optical Signal Processing using Semiconductor Optical Amplifiers”, Raman Optronic Webinar Series-2020: International Webinar Series, 04th, Nov–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“Raman Amplification in Plasma”, Raman Optronic Webinar Series-2020: International Webinar Series, 03rd, Nov–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“Virtual Labs-for better Experimental Leaning”, 14–16, Oct–2020, State Institute of Technical Teachers Training and Research (SITTTR), Kalamassery, Kerala, India

“Physics of Color”, Raman Optronic Webinar Series-2020: International Webinar Series, 12th, Oct–2020, University of Kerala, Thiruvanthapuram, Kerala, India

“A visit to the emerging trends of Nano science and technology”, 14–16, Sep–2020, DGMMES Mampad College, Department of Physics

“Advanced Materials For Energy Conservation and Storage”, 10–13, Aug–2020, Sathyabhama Institute of Science and Technology (Deemed University, Tamil Nadu, India)

“Molecular Spectroscopy”, 12th, Aug–2020, Sri Sathya Sai Arts & Science College, Saigramam, Thonnakkal, Thiruvananthapuram

“International Webinar on Frontiers in Experimental Physics”, 05–06, Aug–2020, Post Graduates and Research, Department of Physics, Farook College, Kozhikode, Kerala-673632.

“National Webinar on Physics and You”, 05th, Aug–2020, Mar Athanasius College, Kothamangalam, Kerala-686666.

“Raman Spectroscopy: Basics, Instrumentation and Applications”, 02–03, July–2020, Sathyabhama Institute of Science and Technology (Deemed University, Tamil Nadu, India)

“Structural Characterization and Probing of Surface Optical Phonon Modes in AlGaN Nanorods”, (Poster presentation), The International Conference on Electron Microscopy and Allied Techniques (EMSI), 17–19, July–2017, (ISBN No.: 978–81–933428-1-7), IGCAR, Kalpakkam, Tamilnadu, India

“Near field scanning optical imaging of gold nanoparticles in the sub-wavelength limit”, (Oral Presentation), APOGEE, 23–26, March–2017, Birla Institute of Technology and Science (BITS), Pilani, Rajasthan, India

 “The self–catalytic and catalyst assisted CVD growth of high optical quality AlGaN nanowires”, (Poster presentation), Department of Atomic Energy Solid State Physics Symposium (DAE SSPS), 26–30, Dec–2016, KIIT University, Bhubaneswar, India

“Crystal Orientation Dependent Polarized Photoluminescence of Sub-Micron Sized GaN Crystallite”  (Poster presentation) Emerging Trends in Advanced Functional Materials (ETAFM), 18–21, Jan–2016, Institute of Physics (IOP), Bhubaneswar, India

“The Role of Purcell effect in the Photoluminescence Spectra of Single AlGaN Nanowire” (Short invited talk)    World Congress on Microscopy: Instrumentation, Techniques and Applications in Life Sciences and Materials Sciences (WCM), 09–11, Oct–2015, Mahathma Gandhi (MG) University, Kottayam, Kerala, India

“Polarized Raman studies in the optically confined sub–diffraction limited AlGaN nanostructure” (Contributory Presentation) Intl. Conf. Optics and Photonics (ICOP), 20–22, Feb–2015 University of Calcutta, Kolkata, India

“Self–catalyzed growth of novel AlGaN hexagonal microrods”, (Poster presentation), Department of Atomic Energy Solid State Physics Symposium (DAE SSPS), 16–20, Dec–2014, VIT University, Vellore, India

 “Recent Trends in Material Science”, 4, Dec–2007, Sponsored by UGC (SAP Project), University of Calicut, Kerala, India