He also completed European Master on Software Engineering (EMSE) double-degree at Blekinge Tekniska Högskola (Sweden) and Universidad Politécnica de Madrid (Spain) under Erasmus Mundus scholarship from European Union. Nandana successfully completed three Google Summer of Code (GSoC) projects in 2006, 2007, and 2010 related to Apache Axis2, Apache Jackrabbit, and Globus Toolkit during his bachelor's degree and the master's degree.