India’s market is one of the largest in the world, with over 1 billion people and a growing economy. However, given the scope of its population and its millennia-long history, the demographics cannot be categorized clearly and easily, which is also true for its neighbor China.
First, the Constitution establishes that all federal government business, including Parliamentary proceedings, can be conducted in English in addition to Hindi, which is the official language of the country. When dealing with state matters, local governments can issue documents in any of the local languages or dialects.
Given the nature of the situation, it is essential to consult with the client carefully on the matter. If their information is limited, do your best to find out from someone who is familiar with the conditions of the region of the document to know which languages should be used.