The makers of Haiwaan recently marked visionary filmmaker Priyadarshan's birthday by sharing intriguing behind the scenes glimpses from the sets, adding a celebratory touch to the film's growing buzz. View this post on Instagram A post shared by @thespianfilms_ind Sharing the post, the team wrote, "Wishing our dearest Priyadarshan Sir a very happy birthday. It is an honour to be part of your cinematic journey with #Haiwaan." The heartfelt note, accompanied by BTS visuals, gave fans a closer look at the making of the film and served as a special tribute to the ace filmmaker on his big day.