N. Krishna Kumari graduated in Electrical and Electronics Engineering from Sri Venkateswara University, Tirupathi, Andhra Pradesh, India in 1994. Received M.E in Electrical machines from PSG College of Technology, Coimbatore, Bharathiyar University, Tamilnadu, India in 1997. Presently.Pursuing PhD from JNTU, Hyderabad, India. She has presented/ published 16 research papers in national and international conferences and journals. Her research areas include PWM techniques, DC-DC converters, DC to AC converters, AC-AC converters and control of electrical drives. She is a Life Member of ISTE and SAE. She is presently working as Associate Professor in the Electrical and Electronics Engineering Department, Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.