India: The 1938 Wave of Labour Struggles (Chapter 8) in Dilip Simeons 1995 book on Workers Unions and State in Chota Nagpur of Late 1930s

In the year 1938 workers began asserting themselves not only in industrial centres such as Bombay, Ahmedabad, Kanpur, Madras and Calcutta, but in smaller towns such as Jubbalpur, Travancore, Bareilly and Dehri-on-Sone. Unionisation spread to the Jharia coalbelt, and to such sectors of the working class as bidi, pottery, coir, press, saw-mill and shellac workers, ekka drivers, lorry drivers, and rickshaw pullers (3). In Jamshedpur, the year opened in the shadow of the violence in Golmuri on 25 December [ . . . ]