Assam Bengal Railway Battalion
- 1901 formed as Assam-Bengal Railway Volunteer Rifles on 23rd January
- 1917 1st April, became the 42nd Assam Bengal Railway Battalion
- 1920 1st October, redesignated Assam Bengal Railway Battalion
- Headquarters - Chittagong
- Uniform - Summer: Khaki Drill, Winter: Khaki serge with dark green facings trimmed with silver lace
- Uniform - Khaki
- Facings - Green
- Badge - Bengal tiger encircled by a laurel wreath ensigned by a royal crown
- Motto - "In Omnia Paratus"
- Jackson, Major Donovan India's Army (1940)
- Indian Army List 1901 states "Formed by MD letter No 3323-B dated 16th Nov 1900 and No. 1329-B, dated 10th April 1901"
- Indian Army List 1st Sept 1901