She joined the Global Press Journal, a worldwide media organization as foreign correspondent and investigative journalist until the end of 2018. Nirasha was a fellow member of MediaCoprs Program on 2018. Series of investigative stories and a mojo story produced by Nirasha on late 2019 following the Easter Sunday attack covering the spread of fake news has brought justice for effected families to prove their innocence. She is the lead program producer and a member of editorial board of MediaCorps Watch program produced by CMIL on Covid 19. In this programme she produced 3 mojos about people who trapped in Colombo due to the curfew and affected businesses. She also presently is focusing more on disinformation and media literacy related issues at the Centre for Media & Information Literacy (CMIL).