Valmiki Ramayana Kishkindha Kanda Sarga 19 Shloka 20

एवम् in that way, उक्त्वा having spoken, रुदन्ती while crying, शोककर्शिता grief stricken, दुःखेन sadly, शिरश्च head, उरश्च chest, बाहुभ्याम् with both hands, समभिध्नती beating, प्रदुद्राव hastened.

So saying, the griefstricken, weeping Tara hastened, sadly beating with both hands her head and her chest.