Valmiki Ramayana Ayodhya Kanda Sarga 115 Shloka 19
Original Shlokaततो निक्षिप्तभारोऽहं राघवेण समागतः। निवेद्य गुरवे राज्यं भजिष्ये गुरुवृत्तिताम्।।2.115.19।।
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ततः then, निक्षिप्तभारः with the burden cast on me, अहम् I, राघवेण with Rama, समागतः reunited, राज्यम् kingdom, गुरवे to my guru (Rama), निवेद्य making over, गुरुवृत्तिताम् engaged in serving guru, भजिष्ये I shall obtain.
The burden of this kingdom has been cast on me. On reunion with Rama, I shall hand it over to my brother, my guru and shall be engaged in his service.