Doctor of Philosophy, Andhra University, Visakhapatnam.
Research associate Andhra University, Visakhapatnam, 1991—1995, researcher, 2004—2007. Assistant professor College Engineering, India, 1995—2004, associate professor, GITAM India, 2004—2008. Professor GITAM University, since 2008, officer special duty, since 2007.
Member of IANCAS, Indian Association Surface Science & technical, Indian Science Congress, Indian Chemical Society, Indian Council Chemists.
Married Rajasre Vishnuvajhula, May 26, 1991. 1 child Sravya Sri Karipeddi.