MAHAKUMBH NAGAR (PRAYAGRAJ), Feb. 4 -- Nearly 300 sadhus surrounded themselves with burning cow dung cakes in various formations-circles, semi-circles, and triangles-as they began their four-month-long 'Dhuni Puja' at Khak Chowk in Mahakumbh Nagar tent city on Basant Panchami. The ritual, undertaken by Mahatyagis-ascetic followers of Lord Ram-marked the beginning of an 18-year-long spiritual practice aimed at salvation and world peace....