National Anthem

Step 1: Historical Background
The National Anthem of India, \textit{"Jana Gana Mana,"} was composed by Nobel laureate Rabindranath Tagore. It was first publicly sung on December 27, 1911, during the annual session of the Indian National Congress held at Kolkata.
Step 2: Significance of the Event
This session was attended by prominent national leaders, and the song commemorated the visit of King George V to India. Although originally written as a patriotic hymn, it later symbolized the spirit of unity and the fight for independence.
Step 3: Adoption as National Anthem
The Constituent Assembly officially adopted \textit{"Jana Gana Mana"} as India's National Anthem on January 24, 1950, post-independence.
Thus, the correct answer is option (1).