Santu, his teenage (and later young adult) nephew, serves as the reader's surrogate. He is the legs of the operation, the quick thinker in a crisis, and the one who often balances Kakababu’s stoic, sometimes reckless obsession with historical mysteries. Why "Portable" Matters: The Evolution of the Adventure
: Spanning over 36 novels, the series remains a cornerstone of Bengali detective literature. kakababu o santu portable