Amireddy Kiran Kumar, PhD Research Scholar (ME13D021), Department of Mechanical Engineering has won  the Best Poster Award for his paper entitled 'Sub-Wavelength Ultrasonic Imaging with Holey Structured Metamaterials' co-authored with his research guides Dr. Prabhu Rajagopal and Prof. Krishnan Balasubramanian at the 25th National Conference and Seminar on Nondestructive Evaluation (NDE 2015) held during November 26-28, 2015 at Telangana.