Which foreign traveller described his work as- "a help to those who want to discuss religious questions with them (the Hindus), and as a repertory of information to those who want to associate with them."
Answer & explanation
Correct answer: option 4
Al-Biruni described his work as a help to those who want to discuss religious questions with Hindus, indicating that his work served as a resource for engaging in religious discussions with Hindus.