In the week when Sikhs across the world are celebrating the birth of their founder, Guru Nanak, BBC political journalist Anita Anand tells the fascinating and largely unknown story of Princess Sophia Duleep Singh - descendant of Sikh royalty, goddaughter of Queen Victoria and pioneering suffragette. Bold and fearless, she marched alongside Emmeline Pankhurst in protest outside parliament, refused to pay her taxes until women got the vote, and even threw herself in front of prime minister Asquith's car.
