Valmiki Ramayana Yuddha Kanda Sarga 122 Shloka 28
Original Shlokaरामंशुश्रूषताभक्त्यावैदेह्यासहसीतया । कृतमममहाप्रीतिःप्राप्तंधर्मफलं च ते ।।6.122.28।।
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वैदेह्या Vaidehi, सीतयासह along with Sita, रामम् Rama, भक्त्या devotion, शुश्रूषता, मम me, महाप्रीतिः very happy, कृता did, ते to you, धर्मफलं च merit of righteous task, प्राप्तम् attained
"You have served with devotion to Rama and Sita and made me very happy. By this task you have earned the merit of righteousness."