After working in Karan Johar’s unconventional emotional saga Kabhi Alvida Naa Kehna way back in 2006, the two stars will be sharing screen space in Zoya Akhtar’s forthcoming film.Those who went to catch Kabhi Alvida Naa Kehna -Karan Johar’s take on extra-marital love equation- primarily swarmed the theatres to watch Shahrukh Khan. Though the film had the commanding presence of Amitabh Bachchan and also featured Rani Mukerji and Preity Zinta, not many really went to see Abhishek Bachchan’s execrable dance moves or his average acting skills. Shahrukh Khan was the biggest attraction and young girls swooned over him, even though the Baadshah of Bollywood played a limping gloomy man. SRK’s character had shades of grey