Sri Hanuman Chalisa is a Hindu devotional hymn devoted to Lord Hanuman, a major Hindu deity. The hymn has 40 lines and is thought to have been written in the 16th century by the poet Tulsidas. It is recited by millions of devotees globally and is regarded as a powerful prayer to invoke Lord Hanuman’s blessings. The Chalisa extols Hanuman’s virtues and heroic exploits and is said to bring peace, prosperity, and protection to those who recite it devotionally.