<Tr> <Td> National calendar </Td> <Td> Saka calendar </Td> <Td> </Td> <Td> Saka calendar was introduced by the Calendar Committee in 1957 . Usage officially started at 1 Chaitra 1879 Saka Era, or 22 March 1957 . </Td> </Tr> <Tr> <Td> National anthem </Td> <Td> Jana Gana Mana </Td> <Td> </Td> <Td> Jana Gana Mana by Rabindranath Tagore was officially adopted by the Constituent Assembly as the Indian national anthem on 24 January 1950 . </Td> </Tr> <Tr> <Td> National song </Td> <Td> Vande Mataram </Td> <Td> </Td> <Td> The first two verses of Vande Mataram by Bankim Chandra Chatterjee was adopted as the National song of India in 1950 . "Vande Mataram" was sung during the 1896 session of the Indian National Congress by Rabindranath Tagore . </Td> </Tr> <Tr> <Td> Oath of allegiance </Td> <Td> National Pledge </Td> <Td> </Td> <Td> It was written in Telugu by Pydimarri Venkata Subba Rao in 1962 . Central Advisory Board on Education directed that the pledge to be sung in Schools and that this practice to be introduced by 26 January 1965 . </Td> </Tr>

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