The Electronics and Communication Engineering Department of this college has been established in 1978. The Department offers an UG programme in Electronics and Communication Engineering and PG Programmes on Communication System and Wireless Technologies. This DST FIST supported Departments has completed 40 research projects with research organization like DRDL, RCI, DEAL and consultancy works for companies like Motorola, Honeywell, Texas Instruments, Amphenol Antel. The Department has well established laboratories like Altera VLSI Lab, Agilent Communication Lab, National Instruments Electronics System Laboratory, Freescale Embedded Lab, Signal Processing Lab, Image Processing and RF Lab. Thiagarajar Telekom Solutions Ltd is a research-driven wireless design company, incubated out of 25 years of rich R&D experience in the field of RF/Microwaves in the TIFAC-CORE at Thiagarajar College of Engineering, Madurai.