I did search for "Hindi" before posting this, if I missed it in the results, I am sorry.
selected Hindi as a secondary language when setting up my duckduckgo and noted something that seemed like an error to me. I am not a native speaker, or even advanced, but I know that the possessive agrees with the thing possessed in Hindi. The word for "language", भाषा, is feminine, so I would have expected to see इंडिया की हिन्दी rather than इंडिया का हिन्दी which is currently showing. Is this a small typo, or another example of how little I about Hindi?