How did he try to decide who was right – his memory or Parimal Ghose?

After consulting his own memory, Bepin Babu decided to ask Haridas Bagchi, who was the host during Bepin Babu's supposed Ranchi visit. But Mr. Bagchi was out travelling Japan with his wife. Next, he thought about verifying the matter with Dinesh Mukerji. Parimal Ghose mentioned that Mr. Mukerji was in Ranchi too. But due to the sarcastic character of Dinesh Mukerji, Bepin Babu was afraid of being the butt of his jokes. Finally, Bepin Babu turned to Chunilal for help when he came to ask for a job. Chunilal supported Parimal Ghose's claims apparently without knowing any of it. This is how, Bepin Babu wanted to decide who was right, himself, or Parimal Ghosh.