They rush to a doctor, who tells them that there are no pebbles in the rattle.
That scene portrays so many emotions -- anger, frustration, sadness and helplessness -- that it shakes you deeply.
The film was directed by Gulzar, who Jaya Bhaduri considers her rakhi brother and who was also remarkably close to the great Sanjeev Kumar, who worked with the director in memorable films like Aandhi, Mausam and Parichay. Both actors received the National Award for their performances.