Explanation:

Valmiki  is celebrated as the harbinger-poet in Sanskrit literature. The epic Ramayana, dated variously from 5th century BCE to first century BCE, is attributed to him, based on the attribution in the text itself. He is revered as Adi Kavi, the first poet, author of Ramayana, the first epic poem.

Ramayana, originally written by lord Valmiki, consists of 24,000 shlokas and 7 cantos (ka??as) including Uttara Kanda.