Ambar Sen Antordhan Rahasyo Ambar Sen, a Bengali comes to Feluda and informs him that he has got threatening mail. Later Mr. Sen is kidnapped. Feluda investigates. Details Casts Posters Title Ambar Sen Antordhan Rahasyo Release Date 1999-11-09 Runtime 00 Hours 49 Minutes Genres Action Crime Production Companies Unknown Production Countries India Sabyasachi Chakraborty... Feluda... Saswata Chatterjee... Topshe... Bibhu Bhattacharya... Lalmohan "Jatayu" Ganguly... Soumitra Chatterjee... ... Tapas Paul... ... Churni Ganguly... ... Original Size (1000x1500) Original Size (1920x2560)