Valmiki Ramayana Kishkindha Kanda Sarga 51 Shloka 18
Original Shlokaकिं कार्यं कस्य वा हेतोः कान्ताराणि प्रपश्यथ।।4.51.18।। कथं चेदं वनं दुर्गं युष्माभिरुपलक्षितम्।
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कार्यम् mission, किम् what, कस्य वा for what, हेतोः for purpose, कान्ताराणि these forests, प्रपश्यथ you are looking for, दुर्गम् inaccessible, इदम् वनम् this forest, युष्माभिः by all of you, कथम् how, उपलक्षितम् was found?
'What is your mission? For what purpose have you come to this inaccessible forest? What are you looking for?How did you find this?