[4] Niraj has worked on the British Asian musical Baiju Bawra, which opened in London's Stratford East Theatre in 2002 and was adapted into a radio play by the BBC Asian Network in 2011[5] and numerous soundtracks, including, for television, the BAFTA- and Emmy-nominated Power of Art (2007), The Age of Terror (BBC, 2008), Darwin's Dangerous Idea (BBC 2008), City Beneath The Waves: Pavlopetri[6] (2011), Origins of Us (BBC, 2011), Jimmy and The Whale Whisperer[7] (Channel 4, 2012), Rise of the Continents (2013),[8] Our Girl (2013), Sex and the City (HBO, 2003), The Mystery of Romes X-Tomb (2013), Food Prices: The Shocking Truth (Channel 4, 2014), Worlds Busiest Railway (2015), Six Degrees Of Separation (2015), The Secrets Of Your Food (2017) and, for film, All in Good Time (2012).
[10] According to notes from his website Niraj has composed music for over 20 dance productions including Shobana Jeyasinghs Where Is Dev?/Classic Cuts[11](Royal Opera House, 2012).
[15] In 2017, he created the sound design and score for the RIFCO Arts production of Miss Meena and The Masala Queens.
[29] Chag's follow-up album The Lost Souls was released in early March 2009,[30] featuring the singles "Baavaria" and "Ur Jaa."
[32] Niraj's third album Mud Doll was released in June 2015 and featured the singles "Rang Diya" and "Sab Qurban".
In April 2010 Niraj launched a new online 'music and life' blog called EasternSoul.net with the intention of 'providing an alternative to the modern trend of throwaway "here today, gone tomorrow" music.'