Holmes nodded and began his investigation. He interviewed Priya and her friends, gathered evidence, and analyzed the letters and gifts. After a few hours of intense investigation, he pieced together the puzzle.

The sun was setting over the bustling streets of Chennai, casting a warm orange glow over the city. Sherlock Holmes, the renowned detective, sat in his armchair, puffing on his pipe, as he listened intently to his trusty sidekick, Dr. Watson.

Holmes's eyes scanned the letter quickly, and he nodded. "Ah, an intriguing case, Watson! Let's proceed to India and unravel the mystery."