All India United Trade Union Centre

The organisation claims to have 600 affiliated unions, comprising an individual membership of over two million.

[2] All India UTUC was founded at a conference held in Kolkata 26–27 April 1958, following a split in the United Trade Union Congress.

In the 17th UTUC (LS) conference held in Delhi in 1985 the organisation was renamed as 'United Trade Union Centre (Lenin Sarani)'.

In the formal sectors All India UTUC has unions, federations and activities in basic, heavy and key industries and important service sectors like Iron and Steel, Engineering, Electricity, Coal and Non-Coal Mines, Railways, Port and Dock, Road-Transport, Banks and Financial Institutions, Insurance, Central and State Government Services.

On the basis of its membership strength All India UTUC has been recognised as a Central Trade Union Organisation by the Government of India and has its representations in apex level tripartite committees as well as in International Labour Conferences (ILC) of the ILO.