 रावणस्य गृहे रुद्धामस्माभिस्तु सुरक्षिताम्।न त्वां शक्तः परित्रातुमपि साक्षात्पुरन्दरः।। 
 You are in Ravanas house, wellguarded by us. It is not possible even for Indra, destroyer of citadels, to come to your rescue let alone Rama. 