JANAKPUR, Nepal—The Janaki Mandir was thronged with Hindu pilgrims in late February as a troupe of musicians sang a hymn to the resident goddess, Sita. But a banner in the outer courtyard honored a more earthly figure, who had visited the month before: the former king, Gyanendra Shah, who lost his throne when the monarchy was abolished in 2008. “King, come and save the country,” the banner said. A vendor selling devotional flags not far from the temple gates, Raja Mahaseth, said that his sales