SRK, along with the film's crew, were spotted shooting at a chawl and amidst the busy streets of Mumbai.
He delighted his fans, who had thronged to catch a glimpse of the King Khan in action, by waving at them.
Shah Rukh Khan was recently in London shooting for 'Fan' at Madame Tussauds. 'Fan' is the first Bollywood film to have been shot at the famous museum.
While in Croatia, the superstar had pulled a muscle, but he continued to shoot despite the injury.
SRK will be seen playing a double role in 'Fan', which also stars model Waluscha De Sousa, and Shriya Pilgaonkar, the daughter of Sachin and Supriya Pilgaonkar.
Helmed by Maneesh Sharma, 'Fan' was slated to release on Independence Day this year. However, it now remains postponed.