Question

how did AITUC come into existence ​

Answer 1

The All India Trade Union Congress (AITUC) is the oldest trade union federations in India. It is not Politically affiliated to any political party including the Communist Party of India. But itself is the third largest Communist Party in India after CPI and CPI(M). According to provisional statistics from the Ministry of Labour, AITUC had a membership of 2,677,979 in 2002.[1]

Answer 2

Between 1918 and 1923, many unions came into existence in the country. ...In this year, the First National Trade union organisation (The All India Trade Union Congress (AITUC)) wasestablished. Many of the leaders of this organisation were leaders of the national movement.