S RajkumarDr. S. Rajkumar is working as an assistant professor in faculty of manufacturing, institute of technology, Hawassa University, Ethiopia. He has acquired Fourteen years of teaching experience in various reputed engineering colleges and universities. H did Ph.D. from Anna University, Chennai in the year of 2014. He published more than forty Research papers in International Journal and International conference. He actively participating more than ten professional societies. He was the reviewer and editorial board member in the various reputed international journals. Read More Read Less