Valmiki Ramayana Yuddha Kanda Sarga 54 Shloka 34
Original Shlokaनिर्मलेनसुधौतेनखड्डेनास्यमहच्छिरः ।।6.54.34।। जघानवज्रदंष्ट्रस्यवालिसूमर्महाबलः ।
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महाबलः mighty, वालिसूनुः Val['s son, सुधौतेन sharpened well, निर्मलेन stainless, खडगेन sword, अस्यवज्रदंष्ट्रस्य that Vajradamshtra's, महत् great, शिरः head, जघान lopped off.
Mighty son of Vali lopped off the great head of Vajradamshtra's with a sharpened stainless sword.