Detective Byomkesh Bakshy! is a 2015 Indian Bengali detective film directed by Rajiv Kumar Biswas. The movie is based on the character Byomkesh Bakshi, a fictional detective created by writer Sharadindu Bandyopadhyay. The film stars Parambrata Chatterjee as Byomkesh Bakshy, a detective who solves a complex murder mystery.