Since 1999, Razdan has covered a variety of news events and hosted a series of shows, often reporting live from the news scene. She has reported extensively on a wide range of key political, economic, and social stories from the Indian subcontinent, covering the Indian politics and foreign affairs closely, including the India-US nuclear deal, general elections, several state elections, all major news developments and elections in Jammu and Kashmir, the earthquakes in Gujarat in 2001 and Kashmir in 2005. Razdan has been the diplomatic correspondent of NDTV 24x7, which is an English language television channel that carries news and current affairs in India, owned by New Delhi Television Ltd network.