Yes Tamil is the oldest language in the world composed by a dravidian family and is about 5000 years ago.

The Tamil Language: Oldest Language in the World?

Introduction
The Tamil language is one of the oldest living languages in the world, with a rich literary history spanning over 2,000 years. While it is difficult to definitively determine the oldest language, Tamil has a strong case for being one of the oldest languages still in use today.

Literary History
1. Sangam Literature: Tamil is known for its ancient literary works, collectively known as Sangam literature, which date back to around 300 BCE to 300 CE. These texts contain a vast collection of poems and prose, covering various aspects of life, including love, war, ethics, and governance.

2. Tamil Brahmi Script: The Tamil language has its unique script known as Tamil Brahmi, which is considered one of the oldest scripts in the world. The earliest inscriptions in Tamil Brahmi can be traced back to the 3rd century BCE.

3. Tholkappiyam: Tholkappiyam is an ancient Tamil grammar text that provides rules and guidelines for the language's usage. It is believed to have been composed between the 3rd century BCE and the 3rd century CE, further attesting to the antiquity of the Tamil language.

Linguistic Features
1. Dravidian Language Family: Tamil is a member of the Dravidian language family, which is distinct from the Indo-European language family. The Dravidian languages, including Tamil, have a separate linguistic history and structure.

2. Unique Phonology: Tamil has a unique phonological system compared to other languages. It has a large inventory of consonants and vowels, including sounds that do not exist in other languages. The grammatical structure of Tamil is also distinct, with agglutinative features.

Evidence of Antiquity
1. Archaeological Findings: Archaeological excavations have revealed Tamil Brahmi inscriptions on pottery, coins, and cave walls, providing evidence of the language's usage in ancient times.

2. References in Ancient Texts: References to the Tamil language can be found in ancient Indian epics like the Ramayana and the Mahabharata, indicating its existence during those periods.

3. Literary Influence: Tamil literature has influenced other languages and cultures throughout history. It has contributed to the development of the literary traditions of South India and has even influenced Southeast Asian literature.

Conclusion
While it is challenging to determine the absolute oldest language, Tamil has a strong claim to being one of the oldest living languages in the world. Its rich literary history, ancient inscriptions, and distinct linguistic features all contribute to its antiquity. The Tamil language continues to thrive, with millions of speakers around the world, ensuring its legacy as one of the most ancient and enduring languages.