 अकम्पनवच श्रुत्वा रावणो राक्षसाधिपः।नागेन्द्र इव निश्वस्य वचनं चेदमब्रवीत्।। 
  Having heard Akampanas words, Ravana, the lord of demons, sighed heavily like the king of serpents and said these words 