Valmiki is recognised as the author of the Sanskrit Ramayana.

Explanation:
The Ramayana is one of the two major ancient Indian epics, the other being the Mahabharata. It is attributed to the sage Valmiki, who is considered to be the author of the Sanskrit version of the Ramayana.

Valmiki:
- Valmiki is revered as the "adikavi," meaning the first poet, as he is believed to have composed the Ramayana, which is considered to be the first written poetic work in Sanskrit.
- He is also regarded as the "adiguru," the original teacher, in the Indian literary tradition.
- Valmiki is believed to have lived in the Treta Yuga, an ancient era in Hindu mythology.

The Sanskrit Ramayana:
- The Sanskrit Ramayana is an epic poem that narrates the story of Lord Rama, his wife Sita, and his loyal devotee Hanuman.
- It consists of seven books, known as Kandas, and has about 24,000 verses.
- The Ramayana portrays the ideals of dharma (righteousness), devotion, and valor.
- It explores the themes of love, duty, honor, and the triumph of good over evil.

Significance of the Ramayana:
- The Ramayana is not only a religious scripture but also a cultural and literary masterpiece.
- It has had a profound impact on Indian society, shaping its values, traditions, and moral code.
- The characters and events depicted in the Ramayana have become an integral part of Indian folklore and mythology.
- The epic has been retold and adapted in various languages and art forms, including literature, music, dance, theater, and television.

In conclusion, Valmiki is widely acknowledged as the author of the Sanskrit Ramayana, which remains a significant literary and spiritual work in Hinduism.