Addressing an international conference on the 125th birth anniversary of Nehru here, Sonia Gandhi said secularism was an 'article of faith' for the first Prime Minister of the country. She said Nehru's achievements continue to bear fruits. 'He moulded a new intellectual outlook, a new social sensibility, a new sense of Indianess,' she said. Sonia Gandhi also recalled his role in the field of science and technology..