While travelling to India, who faced the barrier of language as he belonged to Khwarizma. Still he cited Indian texts, the Vedas, Bhagvad Gita, Manusmriti, etc., to provide an understanding of Indian society. Who was he?

Al-Biruni

The correct answer is Option (3) → Al-Biruni

The person who faced the barrier of language while traveling to India, yet cited Indian texts like the Vedas, Bhagavad Gita, Manusmriti, and provided an understanding of Indian society was:

Al-Biruni was a renowned who made significant contributions to various fields of knowledge. His work "Kitab al-Hind" (Book of India) is a valuable source of information about India during the medieval period and is known for its meticulous observations and insights into Indian culture, society, and sciences.

So, the correct option is [3].