This book presents the proceedings of the 6th International Conference on Emerging Technologies: Micro to Nano (ETMN), held in New Delhi, India, on November 22-23, 2024. It showcases advances and innovations in micro and nanotechnologies and covers topics such as nano composites, nano materials, micro/nano fluidics, micro optics, organic and flexible electronics, advanced materials for nano devices, MEMS, smart biomimetic sensors, electrochemical sensors, acoustic and optical sensors, micro/nano sensors, wearable sensors, intelligent instrumentation, micro/nano electronics, nano antenna and RF system design, wireless sensor networks, applications of AI and IoT-based system, and structural health monitoring (SHM).