Valmiki Ramayana Bala Kanda Sarga 25 Shloka 11
Original Shlokaअगस्त्य: परमक्रुद्धस्ताटकामपि शप्तवान्।।1.25.11।। पुरुषादी महायक्षी विरूपा विकृतानना। इदं रूपं विहायाथ दारुणं रूपमस्तु ते।।1.25.12।।
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परमक्रुद्ध: exceedingly wrathful, अगस्त्य: Agastya, ताटकामपि Tataka also, शप्तवान् cursed, इदं रूपम् this form, विहाय abandoning, अथ thereafter, विरूपा disfigured shape, विकृतानना hideous countenance, पुरुषादी becoming a cannibal, महायक्षी great yakshi, ते to you, दारुणं रूपम् अस्तु let it be a terrible form.
Mighty angry, Agastya cursed Tataka saying, 'Abandon this form of a great yakshini and assume the terrible figure of a rakshasi, a cannibal with distorted appearance and a hideous countenance'.