Plot hole: When Ashima's brother calls up Ashoke to inform him about the demise of Ashima's father, his head is shown as shaven. It is just the following day after the death of the father, as he himself declares. However according to Bengali customs, the hair is not shaven off until the thirteenth day after the death of a father.
Factual error: In a bleak snowy cityscape that depicts New York City in the late 1970's, there is a small satellite dish attached to a rooftop. It is the kind that DirectTV and the Dish network employ today, but probably not at the time period in question.
Gogol ganguli: There are some things you should know. Um, no kissing, no holding hands. My parents are not Lydia and Gerald. I've never seen them touch, let alone anything else.