5. Vignesh O, K.N.Vijeyakumar, "Design of 1-bit 14T Full Subtractor in 65nm technology" presented in a National level conference on 3rd National Conference on Signal Processing, Communication and VLSI Design, organised by Anna University of Technology, Coimbatore, India from 06-May-2016 to 07-May-2011.
4. "FPGA Implementation of Optimized Parallel Prefix Adder" presented in a International level conference on 3rd International Conference on Competency Building Strategies Business and Technology for Sustainable Development, organised by Sri Ganesh School of Business Management , Salem, India from 25-Feb-2014.
3. Vignesh O, V.S. Nishok, "Hardware Efficient Low Power Booth Multiplier for Signal Processing Applications" presented in a National level conference on 2nd National Conference on Intelligent Computing in Communication & Automation , organised by Kalasalingam University, India from 08-Apr-2011.
2. Vignesh O, C. Chrisjin Gnana Suji, "Low Power CMOS Charge-Sensitive Amplifier for Radiation Detection" presented in a National level conference on National Conference on Signal processing, Electronics, Communication trends in recent Advancement , organised by Bharath Niketan Engineering College, India from 19-Mar-2011.
1. "Performance and Analysis of FPGA Lifetime" presented in a National level conference on National Level Conference on Recent Trends in Communication Techniques, organised by Noorul Islam University, India from 17-Mar-2010.