After returning from an awards function in Macau, actor Shah Rukh Khan will head straight to the studios to resume shooting for Yash Chopra's directorial comeback. The untitled Diwali release, which sees Chopra behind the camera after a gap of seven years, went on the floors on January 9."I've just started working with Katrina (actor Katrina Kaif). She puts in a lot of effort to make her character look and sound believable," says Shah Rukh, minutes after finishing his anchoring gig at Colors' Screen Awards that took place in Mumbai recently. "I'm working with Yashji after a long time and it's been a breeze." The upcoming schedule of the film is likely to start in London. Another schedule is due in April, when the love story's second leading lady, Anushka Sharma, will join the cast and c...