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.
Feluda
Topshe
Lalmohan "Jatayu" Ganguly
Amber Sen / Ashwini "Ash" Ghosh
Ambuj Sen
Ambuj Sen's Wife
Runa Sen
Samar Mullik
Bilash
