4th International Conference on Advanced Nanomaterial and Nanotechnology (ICANN-2015) is being organized by Centre for Nanotechnology at the Indian Institute of Technology Guwahati (IITG), India during Dec 8-11, 2015. This is going to be another major international conference being held in the North-Eastern region of India, in the area of Nano science and Nanotechnology. The international conference intends to bring the eminent scientists, technologists and young researchers from several disciplines across the globe together to provide a common platform for discussing their achievements and newer directions of research. The ICANN-2015 conference is focused on Advanced Nanomaterial for Nano engineering and recent advances in nanotechnology, covering fields from theory and experiment to applications of nanostructured materials in technology. The scientific program will consist of plenary sessions, invited talks, oral and poster presentations.