Selected Keynote/Plenary Presentations (Total = 20)

• SPIE conference, USA (2021, Invited)
• Plenary talk, Optics Meet 2021, Nice, FRANCE (2021)
• Keynote talk- International Conference on Theoretical and Experimental Physics (ICTEP2020), (2020)
• Keynote talk- Impact of optics in Industry 4.0; IWPNA, SPARC Scheme of MHRD, Government of India, INDIA (2020)
• Keynote talk, International Conference of Theoretical and Applied Nanoscience and Nanotechnology (TANN 19), Ottawa, CANADA (2019)
• Plenary talk, International Symposium of Optomechatronic Technologies (ISOT 2018), Cancun, MEXICO (2019)
• Keynote talk, invitation to deliver at the ICNANO2018, Stockholm, SWEDEN (2019)
• Keynote talk- Multi-modality diagnostic imaging and the role of contrast agents, 6th Asian Biomaterials Conference, ABMC6, Trivandrum, INDIA (2017)
• Plenary talk- Latest Advances in multi-modal diagnostic imaging- Biomedical Optics with nano bio perspective, 13th International Symposium on Biosciences and nanotechnology, TOKYO, JAPAN (2015)
• Plenary talk- Patterned nanoscale structures for next generation thin film Si solar cells- Latest R&D and challenges ahead, International Conference on contemporary advances of science and Technology, IC- CAST 2015 @ (Japan Society of Promotion of Science (JSPS) and Indian JSPS Alumni Association(IJAA), BHU Varanasi, INDIA (2015)