Bollywood star Irrfan Khan is back on Twitter after two months to talk about his upcoming film, Karwaan. He wrote: “Beginnings have the innocence that experience can’t buy. My best wishes to @dulQuer , @mipalkar for joining the karwaan.” The whole nation received a jolt when Irrfan tweeted about his illness, which he later confirmed was a rare form of cancer, neuroendocrine tumor. The actor, who is undergoing treatment for cancer abroad.