(1) No person shall operate block instrument, panel or Route Relay Interlocking or Solid State Interlocking or similar such device until he has passed the prescribed test for their operation and unless he holds a certificate of competency for the same granted by an authority appointed in this behalf by Dedicated Freight Corridor Railway administration.
(2) The certificate of competency referred to in sub-rule (1) shall be valid for a period of three years or such longer period as may be laid down by special instructions.
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