You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did the constituent assembly adopted national anthem?" whose answer is 24 January 1950.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the constituent assembly adopt a national anthem
Useful Output:

Doc 1:  was adopted in its Hindi version by the Constituent Assembly as the National Anthem of India on 24 January 1950. It was first sung on 27
Doc 2: Today marks a historic day for India, as on January 24, 1950, the Constituent Assembly officially adopted Jana Gana Mana as the nation's National Anthem.
Doc 3: ON JULY 1947, NATIONAL FLAG WAS ADOPTED BY CONSTITUENT ASSEMBLY.
Doc 4: 24th January 1950 “Jana Gana Mana,” the national anthem of India, was officially adopted by the Constituent Assembly as the Indian national
Doc 5: originally in Bangla by Rabindranath Tagore, it was adopted in its Hindi version by the Constituent Assembly as the National Anthem of India