The 62-year-old veteran actor took to Twitter where he congratulated the director on the 30th anniversary of his production house Vishesh Films.
"Wonderful to be part of celebrations of #30YearsOfVisheshFilms. Will always be full of gratitude for @MaheshNBhatt Saab for #Saaransh," tweeted Kher, alongside the pictures from the party.
Bhatt also thanked the actor for being a part of his journey through Vishesh Films.
"Anupam when one looks at life through eyes of gratitude, the world becomes a magical place. I thank you for your part in my journey. Thank you!" wrote Bhatt.