Roy's first article was published in Bharati and Balok magazine. He became the sub editor of Saptahik Basumati magazine in 1900 at the same time edited Nandan Kananmonthly magazine. He became popular for Rahasya Lahari and Nandan Kanondetective series. Roy's created Robert Blake series was based on Sexton Blakedetective stories. In between 1898 and 1914 total 217 detective fictions of Robert Blake were published in Bengali. His books on villagers' lives and Hindu religious festivals in the villages of Bengal was admired by Tagore. Roy's other Books are: