Complex sentence: Venkatachalam joined the Department of Electronics and Communication Engineering of College of Engineering, Guindy, Anna University as a faculty member in 1973 and served as the professor and head of that department from 1978-1987.
Split into simpler sentences: Venkatachalam joined the Department of Electronics and Communication Engineering of College of Engineering, Guindy, Anna University as a faculty member in 1973. He served as the professor and head of the department of Electronics and Communication Engineering of College of Engineering, Guindy, Anna University from 1978-1987.