Sridevi Tirunagari born in India in 1978. she received B.Tech in EEE from Nagarjuna University in 1999, M.Tech in Power systems from Jawaharlal Nehru Technological University, Anantapur, India in 2005 and presently pursuing Ph.D from J.N.T.U Hyderabad. Currently she is working for G.Narayanamma institute of Technology & Science and she is a PhD student of J.N.T.U Hyderabad Under the supervision of Dr Kolli Ramesh Reddy. Four International and two national conference papers are at her credit. She is a member of ISTE and IEEE. Her research and study interests include Power quality, Modeling of power system components and Harmonics in power systems.