History of Trade Unions in India

Please find attached History of Trade Union In India.

Phases

1. Social Welfare period ( From 1875 to 1918 )
2. Early Trade Union period ( From 1918 to 1924)
3. Left- Wing Trade Unionism period ( From 1924 to 1934)
4. Trade Union Unity Period ( From 1935 to 1938 )
5. Second World War ( From 1939 to 1945) [
6. Post Independence period ( From 1947 to date)
7. Present scenario.