The principal photography of the movie began last November in Delhi.
"Mission accomplished. Spaceship is coming back," Kabir posted on Twitter in reply to his wife Mini Mathur.
"Feels like @kabirkhankk left on a spaceship 67 years ago shooting #BajrangiBhaijaan," Mathur had tweeted.
'Bajrangi Bhaijaan', which is set to hit theatres on Eid, is said to be a love story between a Muslim boy and a Brahmin girl.
Nawazuddin Siddiqui is also playing a pivotal role in the film besides Salman and Kareena. The movie is scheduled for July 17, 2015 release.