When Harihar learns about Durga's death, there is a fly crawling on his hand that vanished mid-shot.
(01:04:30) When candy is handed out to several children, one of the boys briefly looks directly into the camera.
Although the film is set in early 20th-century rural India (a time in which public health campaigns presumably did not exist), when Apu and Durga are shown hiding in the fields waiting to catch a glimpse of the train, a vaccination mark is clearly visible on the right arm of Uma Das Gupta, who portrays Durga.