The United Kingdom’s Queen Camilla on Tuesday unveiled a portrait of Indian-origin spy Noor Inayat Khan, a descendant of Tipu Sultan, at the Royal Air Force (RAF) club to honour her services and sacrifice as an undercover agent for the British Special Operations Executive (SOE) during the World War II.The United Kingdom’s Queen Camilla on Tuesday unveiled a portrait of Indian-origin spy Noor Inayat Khan, a descendant of Tipu Sultan, at the Royal Air Force (RAF) club to honour her services and sacrifice as an undercover agent for the British Special Operations Executive (SOE) during the World War II.