Final answer:
In "Nectar in a Sieve," Rukmani hides her own pregnancy from Nathan, an action which underscores key themes of survival and family.
Step-by-step explanation:
In the novel "Nectar in a Sieve" by Kamala Markandaya, Rukmani conceals her own pregnancy from her husband Nathan. This is a significant event in the story, as it reflects the complexities of their relationship and the societal pressures they face. Rukmani's decision to hide the pregnancy also highlights the novel's themes of survival, family, and the struggles faced by the rural poor in India.