Valmiki Ramayana Ayodhya Kanda Sarga 75 Shloka 24

आर्यः esteemed one, यस्य whose, अनुमते with sanction, गतः was exiled, for him राज्ञः by the king, भूतानि his subjects, पुत्रवत् like his own children, परिपालयमानस्य is ruling, ततः father indeed, द्रुह्यताम् who are treacherously acting, पापम् sin, तत् shall happen.

May the one who counselled the exile of my esteemed brother acquire the sin in the same way as a man acting treacherously against a king who rules like a father and protects his subjects like his own children, acquires.