On the 56th Birth Anniversary of Rituparno Ghosh on August 31, Bollywood legend Amitabh Bachchan will unveil the poster of A Tribute to Rituparno Ghosh: Season's Greetings, starring Celina Jaitly and Lillette Dubey on his social media platforms. Apart from unveiling the look of the film, he has also recorded a special video message for director Ram Kamal and his team.