Valmiki Ramayana Kishkindha Kanda Sarga 18 Shloka 11

परमे supreme, स्वधर्मे in one's own duty, स्थिताः established, ते वयम् all of us by him, भरताज्ञाम् command of Bharata, पुरस्कृत्य regarding, यथाविधि our duty, धर्मविभ्रष्टम् one who strays from the path of dharma, निगृह्णीमो will punish.

'By the command of Bharata ,all of us are devoted to our duty of upholding dharma and virtue and duly punish those who deviate from the path of dharma.