@Kashyap123 nobody compared I with Shankar's earlier films? Everybody did just like how they do it for Mani Ratnam. Shankar isn't the after the death of his writer Sujatha who wrote all his films till 2010. It's story was weak & Sujatha's work was definitely missed.
U-Turn wasn't good. That doesn't mean he can't rate others work. Everybody does. If only Hirani had a better second half for PK, he wouldn't have desperately killed off Sanju's character to rise the emotions which were heavily down till that scene. The entire second half was solely dependant on Sanju's character to die to bring some seriousness & push the film a bit higher. The screenplay is right infront of us to judge. The loopholes were huge.