tāhāñi karila kūrma-purāṇa śravaṇa
māyā-sītā nileka rāvaṇa, tāhāte likhana
tāhāñi - there; karila - did; kūrma-purāṇa - of the Kūrma Purāṇa; śravaṇa - hearing; māyā-sītā - a false Sītā; nileka - kidnapped; rāvaṇa - by Rāvaṇa; tāhāte - in that book; likhana - it is stated.
The Kūrma Purāṇa states that this shadowy Sītā was placed into a fire as a test of chastity. It was Māyā-sītā who entered the fire and the real Sītā who came out of the fire.