If you are looking for the existing Narnia films ( The Lion, the Witch and the Wardrobe , Prince Caspian , and The Voyage of the Dawn Treader ) with Hindi audio, they are officially available on:
Available for rent or purchase with language options.
A Hindi translation of the original C.S. Lewis novel.
The most reliable source for the trilogy in multiple languages, including Hindi.
While many fans are searching for a download link for The Chronicles of Narnia: The Silver Chair in Hindi, it is important to clarify the current status of this project to avoid falling for broken links or malicious websites. The Status of The Silver Chair Movie