Preethi post graduated with M.Sc Physics in 2013 and have qualified M.Phil degree in Bharathiyar University in the year of 2014. Preethi had work experience with energy materials such as thermoelectric materials and solar cell fabrication. Her interest on single crystal growth of sillenites for photocatalytic applications. Currently she is focusing on the oxygen deficient photoactive brownmillerite materials for the degradation of the aqueous persistent pollutants.