 स भूत्वा सुमहाकायः प्रभावान्मारुतात्मजः।धृष्टमास्फोटयामास लङ्कां शब्देन पूरयन्।। 
 Hanuman heaved his body  huge  with his prowess and patted his arms loudly filling the city of Lanka with that terrible sound. 