Valmiki Ramayana Bala Kanda Sarga 1 Shloka 22
Original Shlokaतस्याभिषेकसम्भारान्दृष्ट्वा भार्याऽथ कैकयी ।।1.1.21।। पूर्वं दत्तवरा देवी वरमेनमयाचत । विवासनं च रामस्य भरतस्याभिषेचनम् ।।1.1.22।।
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अथ thereafter, तस्य Rama's, अभिषेकसम्भारान् preparations for the installation, दृष्ट्वा having seen, पूर्वम् previously, दत्तवरा was promised with boons, भार्या wife, देवी queen, कैकयी Kaikeyi, रामस्य Rama's, विवासनम् exile, भरतस्य of Bharata, अभिषेचनम् enthronement, वरम् boon, एनम् अयाचत begged of Dasaratha.
Thereafter, having seen the preparations for installation of Rama, queen Kaikeyi who had been promised earlier with boons by Dasaratha demanded of him the exile of Rama and enthronement of Bharata.