Valmiki Ramayana Sundara Kanda Sarga 58 Shloka 113
Original Shlokaतच्छ्रुत्वा राक्षसेन्द्रेण विसृष्टा भृशदुर्जयाः। राक्षसाः किङ्करा नाम रावणस्य मनोनुगाः।।5.58.113।।
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तत् that, श्रुत्वा having heard, राक्षसेन्द्रेण by the lord of demons, भृशदुर्जयाः who are invincible, रावणस्य Ravana's, मनोनुगाः those who know his mind, किङ्करा नाम called kinkara, राक्षसाः demon, विसृष्टाः sent.
"Ravana, lord of the demons having heard (the ogresses) sent invincible ogres called kinkaras who know his mind.