The term "yrkkh 11 sep" functions as a proper noun. It serves as a unique name for a specific entity, in this case, a particular episode of a television series. The components "yrkkh" and "11 sep" work together to form a singular, specific identifier.
Analytically, the phrase is a compound noun. "Yrkkh" is an initialism for the Indian television serial "Yeh Rishta Kya Kehlata Hai," which acts as the base noun. The date "11 sep" (September 11th) functions as a post-positive adjectival modifier, specifying which particular installment of the series is being referenced. Similar to constructions like "Apollo 11" or "Super Bowl XLV," the entire phrase operates as a single nominal unit to name one distinct object.
Recognizing this term as a proper noun is critical for information architecture and data retrieval. In digital contexts such as search engines, social media, or content management systems, this classification allows the phrase to be indexed and tagged as a specific piece of media content. This ensures that a user searching for this term is directed to information about that exact episode, rather than to general content about the show or unrelated events from that date.