P. K. Basu is a fictional detective character created by Bengali writer Narayan Sanyal.
Some of the stories were inspired by the novels of Erle Stanley Gardner and Agatha Christie.
[2] The writer often referred Basu as 'The Perry Mason of the East', since Sanyal was inspired to create the character from the masterpiece of Erle Stanley Gardner.
In the first story named Nagchampa, Basu is shown to be an old, unmarried man but since the novel of Sonar Kanta, the writer changed the character of Basu to an aged Barrister, whose wife Ranu is physically challenged & Suborna alias Mithu, their only daughter, has died in a car accident.
A young couple, Koushik and Sujata, live with Basu's family in his house.