Aadi Mimansa (English title: A Rare Solution)is 1991 Odian and Hindi film directed by Apurba Kishore Bir and starring Ashok Kumar, Mohan Gokhale, Neena Gupta, Gloria Mahanty, Bijainee Misra, Nargis, Lalatendu Rath. The film marked the directorial debut of cinematographer Apurba Kishore Bir and went on to win the 1991Nargis Dutt Award for Best Feature Film on National Integration and Best Cinematography for A K Bir.