Valmiki Ramayana Aranya Kanda Sarga 45 Shloka 10
Original Shlokaपन्नगासुरगन्धर्वदेवमानुषराक्षसैः।।3.45.10।। अशक्यस्तव वैदेहि भर्ता जेतुं न संशयः।
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वैदेहि Vaidehi, तव your, भर्ता husband, पन्नगासुरगन्धर्वदेवमानुषराक्षसैः pannagas, asuras, gandharvas, gods, men or even demons, जेतुम् to win, अशक्यः not possible, न संशयः there is no doubt.
O Vaidehi there is no doubt that pannagas, asuras, gandharvas, gods, men or even demons cannot defeat him.