The Bharatiya Mazdoor Sangh (translation: Indian Workers' Union) is a trade union in India.

[1] It was founded by Dattopant Thengadi on 23 July 1955.

According to provisional statistics from the Ministry of Labour, the BMS had a membership of 6,215,797 in 2002.

[3] The BMS is not affiliated to any International Trade Union Confederation.

Now in Modi Government tenure, called for nationwide movement on 10 June 2020 to protest privatization in PSUs.