You are known as a son to Ravana, O Indrajit, but in sooth, you are his foe in disguise, since knowing of his destruction from Rāghava, you did not prevent him.
पुत्रप्रवादेन तु रावणस्य त्वमिन्द्रजिन्मित्रमुखोऽसि शत्रुः। यस्येदृशं राघवतो विनाशं निशम्य मोहादनुमन्यसे त्वम्॥