Subject to any laws for the time being in force pertaining to the suspension or cessation of development, the Director General may make such necessary recommendation to the Commissioner of the local planning authority or such relevant authority, for the suspension or cessation of the development of the carrying out of the restricted activities, or to take any appropriate measure, upon the Director General being satisfied that-
(a) the safety of any person using the railway is or has been or may be affected; and

(b) the safety of the railway structure or the operation of the railway is or has been or may be affected,

as a result of the said development or the carrying out of the restricted activities.