law: 81. Interval between committal and trial.
  In every case where any such person as is mentioned in section 79 and as not on active duty, remains in such custody for a longer period than eight days, without his trial by an Assam Rifles Court being ordered to be convened, a special report giving reasons for the delay shall be made by his Commandant in the manner prescribed, and a similar report shall be forwarded at intervals of every eight days until an Assam Rifles Court is convened or such person is released from custody.