Nirj was educated at St Joseph's Catholic College, Colombo and Loughborough University. He has been an aeronautical Engineer, Scientist and a Company Chairman and Director from 1997-99. He was a Member of Parliament, Brentford & Isleworth, from 1992-97.He was PPS to Minister of State, Scottish Office, 1996-97. Since 1985, he has been a HM Deputy Lieutenant for the Lord Lieutenancy of London. He was Chairman of the Bow Group in 1981 and on the Council of the Royal Commonwealth Society from 1976-80. He was a Special Advisor for Ethnic Affairs to the Rt Hon Iain Duncan Smith MP.