Nalakubara imposed a terrible curse upon Ravana.
Ravana desired to have intercourse with a woman against her will in a grove. Once Ravana came across a beautiful grove near Indraloka. There was a large pond in the grove filled with the waters of river Mandakini. It was the night of full moon. At that time the divine apsara Rambha came there to have a bath in the pond. Ravana noticed her from a distance. He swiftly went to the pond and seized her by the hand. He praised Rambha's beauty and desired to have intercourse with her. Rambha was shocked by Ravana's behaviour. She reminded him the fact that she was married to Kubera's son Nalakubara. Kubera was Ravana's half-brother and thus Ravana was Nalakubara's uncle. This made Rambha the daughter-in-law of Ravana. Rambha reminded this fact repeatedly to Ravana but the demon didn't pay any heed to her words. Ravana dragged Rambha with his arms and started to have intercourse with her. Rambha trembled with fear and repeatedly felt ashamed. She freed herself from Rava...