M Bhujanga RaoM. Bhujanga Rao, M. Phil., Ph.D. is presently Director, Centre for Distance Education, Mahatma Gandhi University, Nalgonda. He retired Professor of Mathematics Department, College of Engineering, Osmania University, Hyderabad. He has more than 30 yeas of teaching experience. He held many important administrative and academic positions while he worked in Osmania University, Hyderabad. Read More Read Less