Sesh Anka is a 1963 Indian Bengali-language thriller film directed by Haridas Bhattacharya and made by Kalpana Movies, Kolkata. This film was loosely inspired by the 1958 film Chase a Crooked Shadow. The film starred Uttam Kumar in lead with Sharmila Tagore, Sabitri Chatterjee, Pahadi Sanyal, Bikash Roy, Kamal Mitra and others in supporting role. Critics stated this movie as one of the best thrillers in Bengali Cinema. The film was remade in Tamil in 1964 as Puthiya Paravai and was an inspiration for the Hindi movie Khoj (1989).