Valmiki Ramayana Ayodhya Kanda Sarga 18 Shloka 31
Original Shlokaतमार्जवसमायुक्तमनार्या सत्यवादिनम्। उवाच रामं कैकेयी वचनं भृशदारुणम्।।2.18.31।।
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अनार्या ignoble, कैकेयी Kaikeyi, आर्जवसमायुक्तं devoted to rectitude of conduct, सत्यवादिनम् truthful, तं रामम् addressing that Rama, भृशदारुणम् extremely cruel, वचनम् words, उवाच said.
To Rama who was devoted to truth and to rectitude of conduct the ignobale Kaikeyi said: