Shah Rukh Khan, who will be seen in an extended cameo in his new film ‘Dear Zindagi,’ feels that the this film puts forward some very important questions before the society very sensitively, without being preachy. Known for taking up different challenging characters all his life, the 51-year-old actor feels that though he is in an extended cameo, he has never taken up such a role in 25-year of his glorious career.