Valmiki Ramayana Kishkindha Kanda Sarga 36 Shloka 8
Original Shlokaसहायकृत्यं किं तस्य येन सप्त महाद्रुमाः। शैलश्च वसुधा चैव बाणेनैकेन दारिताः।।4.36.8।।
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येन by whomsoever, सप्त seven, महाद्रुमाः huge trees, शैलश्च mountain too, वसुधा चैव and earth also, एकेन by only one, बाणेन with an arrow, दारिताः shattered, तस्य to him, सहायकृत्यम् assistance to be done, किम् what.
'Rama shattered seven huge trees, a mountain and earth with a single arrow. What assistance does he need?