There follows a strange period during which there is evidence in al-Biruni's own writings that he suffered great hardships but he also seems to have been supported by Mahmud for some scientific work.
May mga sumusunod ang isang kakaibang panahon sa panahon na kung saan ay may katibayan sa al-Biruni sariling writings na siya suffered great hardships ngunit siya rin ay anyong ay suportado ng Mahmud para sa ilang pang-agham ng trabaho.