The Department of Mathematics, Sona College of Technology, Salem organised a one-day national-level seminar on ‘Mathematical Sciences – a key to Engineering and Technology' recently. Principal P. Govindarajan, presided. In his inaugural address, S. Sundar, IIT, Chennai dealt in length about the application of Mathematics in various areas of industry and technology. fields like medicine, electronics, optimization and control, simulated reality, multi-scale models and algorithms, risk and decision, textile, data, texts and images. Faculty P. Ganesan, Anna University, Chennai, R. Rangarajan, Mysore University, V. K. Nelson, Government College of Engineering, Salem, V.S. Venkatavaradan and S. Karthikeyan, Sona College of Technology gave guest lectures on various topics. More than 70 participants from various states presented research papers.