Tiruvachagam is a revered Tamil devotional poem composed by the saint Manikkavacakar in the 9th century. It is part of the larger collection known as Tirumurai, which consists of hymns dedicated to the Hindu god Shiva. The verses express deep devotion and mystical experiences, reflecting the poet's spiritual journey. The work is significant in the Shaiva tradition and is celebrated for its lyrical beauty and philosophical depth. Tiruvachagam has influenced Tamil literature and culture, inspiring countless devotees and scholars. It is often recited in temples and spiritual gatherings, highlighting its enduring importance in Tamil spirituality.