Canto 3 -
Araṇya-kāṇḍa
Chapter 48: Sītā-devī Condemns Rāvaṇa

When Sītā-devī criticized Rāvaṇa, he praised his lineage, prowess and prosperity, accused Rāmacandra of being defective, and again requested Sītā to accept him. Sītā angrily condemned him and informed him that he will be destroyed for desiring her.