Valmiki Ramayana Aranya Kanda Sarga 60 Shloka 16
Original Shlokaभ्रमरैरुपगीतश्च यथा द्रुमवरो ह्ययम्। एष व्यक्तं विजानाति तिलकस्तिलकप्रियाम्।।3.60.16।।
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द्रुमवरः best of trees, अयम् this, तिलकः Tilaka, यथा as, भ्रमरैः with bees, उपगीतः is sung, एषः he that, तिलकप्रियाम् a lover of mark on the forehead, व्यक्तम् it is sure, विजानाति knows?
This great Tilaka tree round which bees bumble surely knows the lady who loves to put tilaka marks on the forehead.