 He revitalised the links between the central organisation in Calcutta and its several branches spread all over Bengal, Bihar, Orissa and several places in U.P., and opened hideouts in the Sunderbans for members who had gone underground The group slowly reorganised guided by Mukherjee's efforts, aided by an emerging leadership which included Amarendra Chatterjee, Naren Bhattacharya and other younger leaders.In the aftermath of the Howrah-Sibpur conspiracy case, Jatin and the leadership of "Jugantar" formulated their course of action to destabilise the Raj.Through the next two years, the organisation operated under the covers of two seemingly detached organisations, "Sramajeebi Samabaya" (The Labourer's cooperative) and Harry & Sons.