Section 12(2) in The Railway Servants (Hours Of Work And Period Of Rest) Rules, 2005
(2)No railway servant classified as Intensive, Continuous or Essentially Intermittent shall be called on duty unless one has had a rest of not less than 12, 10, 8 consecutive hours respectively after completion of the previous tour of duty. Such rest shall be given as far as possible through the employment of rest givers and the rest givers so provided shall be separate for Continuous and Essentially Intermittent categories.
