Tabu and Saif Ali Khan in a film after 21 years since Hum Saath Saath Hai 1999. They were also part of Biwi No 1 released in the same year as Saif Ali Khan Made a Guest Appearance in Biwi no 1 and Tu Chor Main Sipahi with Tabu pairing with Akshay Kumar.
Saif Ali Khan's classic Ole Ole from Yeh Dilagi was re-created. He wasn't keen for its remake but had to agree for the filmmakers.
Alaya made reference to Feroz Khan in the film. Feroz is the father of Alaya's step mother Laila Khan.
Saif Ali Khan had to lose weight to look 10 years younger than his age.
When Kedarnath was temporarily shelved, Saif Ali Khan offered his daughter Sara Ali Khan Jawani Jaaneman. The offer eventually was scrapped when Kedarnath was restarted.