Poster presentation entitled "Tiny Gold Nanorods as NIR-Nanoprobes for Photothermal Microscopy in Cells" Canceropole AXE-5 held at ENSEIRB- MATMECA, Univeristy of Bordeaux, France (November 2016 and 2015).

Oral presentation entitled Synthesis and Separation of Ultra-short Gold Nanorods (U-short GNR): Potential Candidates for Photothermal Imaging (PhI)" on Canceropole, "When the imaging meets Nanotechnologies" held at University of Bordeaux (IECB), France (December 2014).

Poster presentation entitled “Semiconductor QDs-Based Bimodal Nanoparticles for Bioimaging” on Asianphotochemistry meeting held at Osaka University, Suita, Japan (November 2012).

Poster presentation entitled “Core to Shell Electron Transfer in Fullerene-Shelled Quantum Dot Nanoparticles” on RCAS-TNNA Symposium held at Academia Sinica, Taiwan (October 2012).

Poster presentation entitled “Fullerene-Shelled Quantum Dot Supramolecular Architecture for LightEnergy Harvesting” on JSPS-DST Japan-India bilateral seminar held at Takamatsu, AIST Japan (October 2012).

Poster presentation entitled “Photoinduced Electron Transfer from Quantum Dot Core to Fullerene Shell in a Supramolecular Architecture” on Japanese Photochemistry meeting held at Tokyo Institute of Technology, Tokyo (September 2012).

Poster presentation entitled “Engineered Semiconductor Quantum Dots for the Detection and Imaging of Biomolecular Functioning” on AIST annual meeting held at Awajishima (September 2012).

Attended "Japanese Chemical Society meeting" held at Keio University, Tokyo (March 2012).

Oral presentation entitled “Fullerene-Shelled Quantum Dots Supramolecular Nanoparticles for Bioimaging and Light Energy Harvesting” on Japanese Photochemistry meeting held at Miyazaki (August 2011).

Poster presentation entitled "Periodic Self-assembly of Dansyl Glutathione Protected Gold Nanoparticles Leading to Fluorescent Superlattices" on Asia NANO conference, Biopolis, held at Singapore National University, Singapore (November 2008).

Poster presentation entitled "Ligand Exchange of Au25SG18 Leading to Functionalized Gold Clusters: Spectroscopy, Kinetics and Luminescence" on Future Directions in Advanced Materials Research held at Shimla, India (April 2008).

Poster presentation entitled "Ligand Exchange of Au25SG18 Leading to Functionalized Gold Clusters: Spectroscopy, Kinetics and Luminescence" on International Conference on Nano Science and Technology (ICONSAT), Chennai, India (Feb 2008).

Attended "The First Indo-US Advanced Studies Institute on Nanoscale Science and Engineering", Chennai, India (January 2008).