Mumbai May 18: Superstar Shah Rukh Khan was suffering pain in his knees but stillstill chose to rehearse for a 'garba' dance sequence for Rahul Dholakia's Raees . Ok then. Finally called for the shot. Knee paining so have to go & rehearse my Garbha....all ye beautiful ppl Khuda Hafiz. & smile a lot the actor posted on his Twitter page on Sunday night. (Read: 7 tips to relieve knee pain) Raees an action thriller will see Shah Rukh playing a gangster. Slated to release on Eid next year it also features Nawazuddin Siddiqui and Pakistani actress Mahira Khan.