The first raindrops arrived before the rain itself. A faint fragrance drifted through the open window. Soft, earthy, familiar. Within seconds, I knew it had started raining somewhere nearby. There is something almost magical about that smell. The scent of dry earth meeting rain after a long wait. A fragrance so ordinary that most of us have known it since childhood - Petrichor !!! And yet, every time it arrives, it feels like a visitor we are happy to welcome back. I walked