In "A Passage to India," what event leads to the trial of Dr. Aziz?

The trial of Dr. Aziz in "A Passage to India" centers around accusations of rape, specifically the incident in the Marabar Caves where Adela Quested claims he assaulted her. This pivotal moment serves as a crucial point in the narrative, highlighting the racial and cultural tensions between the British colonizers and the Indian populace. The accusation propels the plot and serves to explore themes of misunderstanding, societal prejudice, and the complexities of colonial relationships. Dr. Aziz’s character and the societal implications of the trial contribute to Forster's broader commentary on colonialism and its impact on both the oppressors and the oppressed.