Valmiki Ramayana Ayodhya Kanda Sarga 56 Shloka 23

शुभेक्षण one who has auspicious looks, लक्ष्मण Lakshmana, मृगम् an antelope, हत्वा having killed, क्षिप्रम् quickly, इह here, आनय bring, शास्त्रदृष्ट: as prescribed by the scriptures, विधि: rites, कर्तव्यः हि will have to be carried out, धर्मम् the tradition, अनुस्मर recollect.

Slay an antelope and bring it here quickly. O Lakshmana The rites as prescribed by the scriptures will have to be carried out. You may recollect that tradition.