SRK regrets not spending time with Farooq Shaikh

King Khan of B'town, Shah Rukh Khan regrets not being able to spend time with renowned actor Farooq Sheikh who passed away recently in Dubai after suffering a heart attack. "My biggest regret that I never got to spend time with you, Faroukh sahib, as I had requested. Should have done it earlier. I feel so sorry," SRK tweeted.