Section 238(1) in The Dedicated Freight Corridor Railway General Rules, 2018
(1)In addition to the inspection referred to in rule 237, whenever any portion of a railway is likely to be endangered by abnormal conditions such as heavy rains, breaches, floods, storms, cold or hot weather and civil disturbances, the line shall be patrolled regularly during the period of vulnerability in such a manner and at such interval as is prescribed by special instructions.
