Ludhiana may have a Feroze Gandhi market and Rae Bareli in UP an engineering college or two named after him. But the son-in-law of Nehru, husband of Indira Gandhi and father of Rajiv Gandhi is described as the 'forgotten Gandhi'. But 50 years after his death, a biography of Feroze Gandhi is being launched. In an interview to Outlook, Swedish writer Bertil Falk explains why he devoted 40 years researching the man.