Famous Bengali private investigator Pradosh C. Mitter (Feluda) is hired by wealthy businessman Dinnanath Lahiri. His suitcase has been accidentally exchanged with someone on the Kalka Mail.

Feluda (Bengali: ফেলুদা), or Prodosh Chandra Mitra, (Bengali: প্রদোষ চন্দ্র মিত্র) who uses the Anglicised name Pradosh C. Mitter) is a fictional ...