Option (e) is the ideal course of action for the given scenario because an advanced braking system from a distance could ideally prevent the deaths of elephants which is ideally required as per the passage.
Option (a) is negated because just capturing and monitoring elephants' movements may or may not aid in decision-making.
In option (b), the installation of physical barriers to divert the elephants to their destinations might involve elephant deaths, if the barriers get damaged at some point. So, this can't be the ideal course of action.
In option (c), it is suggested to divert the rail path, which is practically not feasible and is thus negated.
In option (d), it is suggested to divert the migration of elephants, which again is practically impossible to control and is thus negated.
Hence, the correct answer is option (e).
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