Bollywood Actor Irrfan Khan, who has been diagnosed with a neuroendocrine tumour and taking treatment in London has changed the picture of his Twitter profile. The actor is seen throwing a smile on his face and he is seen as strong in spirit, though he appears weak. The actor is seen wearing a yellow T-shirt as he stands close to a glass window and has earphones plugged into his ears. Hollywood fame actor has been promoting his forthcoming film 'Karwaan' by posting the film's songs. The film is releasing on August 3rd.