law: Boundaries of the detached area
  (2) The Shillong (Umlong) Cantonment, that is to say, the area as defined below:-
  Area ......1,962 acres.
  Breamar East Boundary Pillar No.1 or Contonment Boundary Pillar No. 29 is situated on the left bank of the Wah Sohkhlur at a point 300 feet, north-west of Cantonment boundary Pillar No. 30 on a True Bearing of 308o II from Cantonment Boundary Pillar No. 30.