Actress Deepika Padukone, spoke about her "Piku" co-star Irrfan Khan, who has been diagnosed with a rare illness and has been missing from action since the last couple of weeks. Few days back, Irrfan has shared that he has a rare disease and has requested people not to speculate. However, Irrfan and Deepika are coming back together after 'Piku' in Vishal Bhardwaj’s untitled film.