The correct option is B Hindustan Mazdoor Sevak Sangh
The Indian National Trade Union Congress was formed with the help of the Hindustan Mazdoor Sevak Sangh. It was formed in 1947. Indian National Trade Union Congress can be
referred as the trade union wing of the Indian National Congress. It
was formed in order to establish an order of society which is free from
hindrance in the way on an all round development of the members of the
trade union.Hence, option (B) is the correct answer.