<Tr> <Th> First time </Th> <Td> 2015 </Td> </Tr> <Tr> <Th> Related to </Th> <Td> Constitution of India </Td> </Tr> <P> Constitution Day (National Law Day), also known as Samvidhan Divas, is celebrated in India on 26 November every year to commemorate the adoption of Constitution of India . On 26 November 1949, the Constituent Assembly of India adopted the Constitution of India, and it came into effect on 26 January 1950 . </P> <P> The Government of India declared 26 November as Constitution Day on 19 November 2015 by a gazette notification . The Prime Minister of India made the declaration on 11 October 2015 while laying the foundation stone of the B.R. Ambedkar memorial in Mumbai . The year of 2015 is the 125th birth anniversary of Ambedkar, who had chaired the drafting committee of the Constituent Assembly and played a pivotal role in the drafting of the constitution which was illuminated to become the most beautiful Constitution of the world by Beohar Rammanohar Sinha under the mentorship of Nandalal Bose . Previously this day was celebrated as Law Day . 26 November was chosen to spread the importance of the constitution and to spread thoughts and ideas of Ambedkar . </P>

Who adopted the constitution of india on 26 november 1949