 Assisting Denham and Petrie, Tegart led the investigation in the aftermath of the Dalhi-Lahore Conspiracy and identified Chandernagore as the main hub for the Samiti.Tegart remained in the Bengal police until at least the 1930s, earning notoriety amongst the Samiti for his work, and was subjected to a number of assassination attempts.In 1924, Ernest Day, an Englishman, was shot dead by Gopinath Saha at Chowringhee Road in Calcutta, due to being mistaken for Tegart.