After topping the matriculation examination in the year 1883 from Jessore Zilla School, he studied Mathematics at the Sanskrit College of Calcutta on a Scholarship from the Natore Raj, and completed his Bachelor of Science in 1888.
Between 1889 and 1894 he was posted as an investigating officer in police stations in districts including Madhubani, Saharsa, Pabna and Narail of the then United Bengal.
His keen detective work was noticed and in 1894 he was posted at the Directorate Headquarters of the Criminal Investigation Department, or CID, of Bengal Police in Calcutta.
There he worked on the fingerprinting system, and remained posted at the CID headquarters, except for a short stint as Instructor at the Sardah Police Training School in 1914–1917, until his retirement as a DySP in 1925.
[4][5][6] On 12 June 1897, the Council of the Governor General of India approved a committee report that fingerprints should be used for classification of criminal records.