Valmiki Ramayana Yuddha Kanda Sarga 123 Shloka 12
Original Shlokaमहानयंवरस्तातयस्त्वयोक्तोरघूत्तम । वदिर्मयानोक्तपूर्वं च तस्मादेतद्भविष्यति ।।6.123.12।।
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तात dear, रघूत्तम foremost of Raghus, यः that which, त्वया by you, उक्तः sought, अयम् this, वरः boon, महान् great, मया by me, वदिः asked, न उक्तपूर्वम् even before you asked, तस्मात् therefore, एतत् everything, एवम् in that way, भविष्यति will be granted
"Dear Rama! that which has been sought by you is great. Nothing has been revised by me in the past. Therefore, everything asked by you will be granted by this boon."