Valmiki Ramayana Ayodhya Kanda Sarga 34 Shloka 26

राघव O Son of the Raghu dynasty, अहम् I, कैकेय्या Kaikeyi's, वरदानेन by bestowing boons, मोहितः have been deluded, अद्य now, माम् me, निगृह्य by confining, त्वमेव yourself, अयोध्यायाः of Ayodhya, राजा भव be king.

I have been deluded by Kaikeyi into bestowing boons. Imprison me and be now king of Ayodhya, O scion of the Raghu dynasty