The body of Saint Ramanujacharya at Srirangam is not decaying. It is embalmed, it is not smelling bad, it is preserved in the temple, people come and pray here. Ramanujacharya is the incarnation of Seshanag, and is constantly engaged in serving Lord Vishnu, at Srirangam Temple, which is known as Bhooloka Vaikuntha Dham.