 सा दृष्ट्वा कर्म रामस्य कृतमन्यैस्सुदुष्करम्।जगाम परमोद्विग्ना लङ्कां रावणपालिताम्।। 
 Seeing the performance of Rama which is very difficult for others, Surpanakha got scared and went to Lanka, ruled by Ravana. 