Mr. V.K. Sathiya Narayan is the Chief Medical Physicist. He has more than22 years of experience as a medical physicist and has vast experience in commissioning different Accelerators and Treatment Planning Systems, 3D CRT and IMRT Planning Systems. He has keen interest in developing quality Assurance Methods and procedures. He has flair for teaching as well. He has 10 publications as first author and over 40 presentations as first and group author and also is a referee for journals. He has functioned as a member of safety committees of AERB (Atomic Energy  Regulatory Board).