Baksho Rahashya (Bengali: বাক্স রহস্য) is a 1996 Bengali mystery-thriller film directed by Sandip Ray and based on the story of the same name by Satyajit Ray. It was the first telefilm made for Feluda 30, the TV film series, which aired on DD Bangla. Later it was released at Nandan Complex and the DVD and VCD were released in 2001. The film is the sequel to Joy Baba Felunath (1979). Source: Wikipedia (en)