Shri Kiran Kumar Amireddy, Research Scholar (ME13D021) and his guides Dr. Prabhu Rajagopal and Prof. Krishnan Balasubramanian, Department of Mechanical Engineering have won the Best Paper Award for their paper entitled ‘Holey-Structured Metamaterials for Deep Sub-Wavelength Ultrasonic Resolution of Delamination' at the 22nd National Symposium on Advances in Ultrasonics and Materials Research (NSU-2017) held during November 8-10, 2017 at Himachal Pradesh.