Saraswati Pushkaralu in Kaleshwaram: when rivers meet and faith overflows

With the once-in-12-years Saraswati Pushkaralu under way, the town of Kaleshwaram has transformed into a sacred theatre of ritual and riverine power. At this rare confluence of three rivers — Godavari, Pranahita and the invisible Saraswati — pilgrims gather to seek spiritual liberation, guided by myths and the deep pull of something unseen yet powerfully felt, writes P. Sridhar