law: 57. Interval between committal and trial.-
  In every case where any such person as is mentioned in section 55 and as is not on active duty, remains in such custody for a longer period than eight days without a Security Guard Court for his trial being convened, a special report giving reasons for the delay shall be made by his Commander and a similar report shall be forwarded at intervals of every eight days until a Security Guard Court is convened or such person is released from custody.