Dr P S Rajendran has more than 30 years of teaching experience. He completed his MSc, B. Ed M Phil and Ph d in Mathematics. He worked as senior lecturer in various engineering colleges and retired as associate professor and head of the department of Mathematics, College of Engineering, Trivandrum. He was also the Convener, Syllabus Revision Committee for Mathematics, APJ Abdul Kalam Technological University ( KTU), Kerala, Chairman, B. Tech, M. Tech valuations of KTU, Chairman, chief, and additional examiner to B. Tech and M. Tech examination of Kerala University, Chief and additional examiner to B. Tech and M. Tech examination Kerala University and Additional examiner, B. Tech examinations, Calicut University.