 He established trade unions in the coal fields, sugar mills, mica mines and railways of Bihar.He formed Japla labour union in 1937, Baulia Labour union in 1937, organised the workers of Jamalpur Workshop along with Shivnath Bannerjee, formed the Gaya cotton and Jute Mill Labour Union, formed the Tata Collieries Labour Association along with Subhas Chandra Bose and went on to become the latter organisation's president when Bose left India in 1941.He organised coal workers of Talcher with close co-ordination and support of Dukhabandhu Mishra (founder member of HMS union in Talcher coalfields), Rajgangpur (Orissa) and Satna (MP); established Mica Workers Union, Gomia Labour Union (Explosives), later these unions affiliated to HMS.