Ashok Vayyala, MS Research Scholar (MM13S008), Department of Metallurgical & Materials Engineering has won the ‘Best Oral Presentation Award’ for his paper entitled ‘Effect of Pre Oxidation on the Hot Corrosion Behaviour of Directionally Solidified Ni-based Superalloy’ under the section - Corrosion Control and Sustainability at the 7th National Symposium for Materials Research Scholars (MR-15) held at IIT Bombay, Powai during 20-22 May, 2015. He is guided by Dr. Lakshman Neelakantan and Prof. M. Kamaraj.