 The Silchar and Garo Hills detachment were transferred to the Assam Government with effect from 1 November of the same year.As a result, the battalion was decreased and it became First Bengal Military Police Battalion.The composition of the force then consisted of 1 Commandant, 2 Assistant Commandants, 1 Subedar Major, 3 Subedars, 4 Jamadars, 39 Havildars and 664 Sepoys and Buglers.