The song Jana-gana-mana, composed originally in Bengali by Rabindranath Tagore, was adopted in its Hindi version as the National Anthem of India on January 24, 1950.
It was first sung on December 27, 1911 at the Kolkata Session of the Indian National Congress.
It has five stanzas with first stanza containing the full version of the National Anthem
The duration of the National Anthem is approximately 52 seconds. A short version consisting of the first and last lines of the stanza (playing time approximately 20 seconds) is also played on certain occasions.
The National Anthem of India is played or sung on various occasions. Instructions have been issued from time to time about the correct versions of the Anthem, the occasions on which these are to be played or sung, and about the need for paying respect to the anthem by observance of proper decorum on such occasions.
The full version of the Anthem shall be played on the following occasions:
• Civil and Military investitures;
• When National Salute (which means the Command "Rashtriya Salute - Salami Shastr" to the accompaniment of the National Anthem is given on ceremonial occasions to the President or to the Governor/Lieutenant Governor within their respective States/ Union Territories;
• During parades - irrespective of whether any of the dignitaries referred to above is present or not;
• On arrival of the President at formal State functions and other functions organized by the Government and mass functions and on his departure from such functions;
• Immediately before and after the President addresses the Nation over All India Radio;
• On arrival of the Governor/Lieutenant Governor at formal State functions within his State/Union Territory and on his departure from such functions;
• When the National Flag is brought on parade;
• When the Regimental Colours are presented;
• For hoisting of colours in the Navy.
Recently, the Supreme Court ordered that all Indians will now compulsorily have to stand up and listen to the National Anthem before they can watch a movie in a theatre.
The decision is in tune to the Article 51(A) of the Constitution which makes respecting the National Anthem a fundamental duty of every citizen