'Gerson existed at the intersection of principle and conscience. 'One of our conversations turned to his return to India from Brazil. 'He spoke about the choices he made and the things he felt he had failed at. 'What emerged was how he always steadfastly stuck to his beliefs and was true to them and himself. 'The need to -- in Spike Lee's words -- Do The Right Thing.' Director Dev Benegal remembers Gerson da Cunha, 'friend, guide, light'.