Shah Rukh Khan has a packed schedule, but the Bollywood superstar has no qualms over this and believes in the `no pain no gain` theory.

`Hectic day on Fan & I hav to get back to Sabse Shaana Kaun 2. Eventful & packed days & nite but no pain no gain....so i go on relentlessly,` he tweeted.

After entertaining with `Happy New Year`, SRK has turned all his focus on Maneesh Sharma's directorial `Fan` and forthcoming TV show `India Poochega... Sabse Shana Kaun?`.

The superstar, often called as `King of romance`, will be seen interacting with common people on the reality TV show. In the film, Shah Rukh will be seen playing a fan.