Valmiki Ramayana Sundara Kanda Sarga 38 Shloka 31
Original Shlokaस तं प्रदीप्तं चिक्षेप दर्भं तं वायसं प्रति।।5.38.31।। ततस्तं वायसं दर्भस्सोम्बरेऽनुजगाम ह।
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सः he, प्रदीप्तम् glowing, तं दर्भम् that darbha, तं वायसं प्रति him, the crow in turn, चिक्षेप threw, ततः then, सः दर्भः that darbha, तं वायसम् that crow, अम्बरे in the sky, अनुजगाम ह followed.
'Then you threw the burning darbha grass at the crow and it chased him in the sky.