Al-Beruni came to India along with:

Al Biruni, the renowned 11th-century Persian polymath, traveled to India in the company of Mahmud of Ghazni. He went along with the Turkish conqueror during his early 11th-century expeditions to the subcontinent, which offered the scholar a chance to investigate the culture, science, and philosophy of the Indians. He later documented his discoveries in his famous book, "Kitab al-Hind".