When Western Ghats tempts you with its grandness, it’s a challenge to resist it. We happily give in almost all the time. Once spread across a good part of Kerala and host to many endangered species of flora and fauna, Western Ghats is now dwindling, forcing UNESCO to tag many parts of it as natural heritage areas. This Diwali season’s Western Ghats delight for us was Athirapally Waterfalls and beyond. After the Nilgiris, the Western Ghats take a break at Palakkad gap, the natural plains that cuts the mountains and connects Kerala and Tamil Nadu. And beyond the gap, toward…