K.C. Selvam is currently working as a technical officer in, department of electrical engineering, Indian Institute of Technology Madras, India. He is doing research and development work for the last 30 years and has published more than 34 research papers in various national and international journals. He published a book entitled "Design of Analogue Multipliers with Operational Amplifiers" in CRC Press, Taylor, and Francis. He got the best paper award by IETE in the year 1996. He got the student journal award of IETE in the year 2017. He developed an interest in the design and development of function circuits to find their applications in modern measurements and instrumentation systems. He also published another book entitled Multiplier Cum Divider Circuits: Principles, Design and Applications by CRC Press, Taylor and Francis.