Dr. D.V. Subba Rao is retired associate professor and head of the department of Mineral Beneficiation at S. D. S. Autonomous College, (India). He has 32 years of experience at S. D. S. Autonomous College and presently serves as a guest faculty in the department of Mining Engineering at GIET, India. He has published multiple books on mineral beneficiation and has been member and chairman of academic bodies such as BOS in Mineral Beneficiation, BOS in Materials Handling and BOS in Applied Chemistry as well as the academic council and governing body of S. D. S. Autonomous College.