Question: Who is the mother of the director of film Badshahi Angti (Film)?
Sentence (from "Badshahi Angti (film)"): Badshahi Angti ("The Emperor's Ring") is a 2014 Bengali thriller film directed by Sandip Ray, based on the novel of the same name by Satyajit Ray, starring Abir Chatterjee and Sourav Das as Feluda and Topse respectively.
Relevant evidence: Yes