The correct answer is: no article.
Kalidas is often called the “Shakespeare of India” because he is considered one of the greatest playwrights and poets in the history of Indian literature. He is known for his works such as “Shakuntala” and “Abhijnana Shakuntalam”, which are considered masterpieces of Indian literature.
The use of an article before a noun depends on the context in which the noun is used. In the case of “Shakespeare of India”, the noun “Shakespeare” is a proper noun, which means that it refers to a specific person. Proper nouns are not preceded by articles.
Therefore, the correct answer is “no article”.