Valmiki Ramayana Bala Kanda Sarga 48 Shloka 28
Original Shlokaगौतमेनैवमुक्तस्य सरोषेण महात्मना।।1.48.28।। पेततुर्वृषणै भूमौ सहस्राक्षस्य तत्क्षणात्।
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सरोषेण with wrath, महात्मना by the eminent, गौतमेन by Gautama, एवम् in this way, उक्तस्य have been uttered, सहस्राक्षस्य Indra, वृषणौ testacles, तत्क्षणात् immediately, भूमौ on earth, पेततु: dropped.
Cursed thus out of anger by eminent Gautama the testicles of Indra immediately dropped down on the earth.