It is difficult to rate in overall since More clarity on Option could have been better to rate his performance and his department..
Option can be
1. Safety in railway: x out of 5 ( of cource safety throught of journey (Platform to train journey to platform)
2. New Infrasturcre in railway: x out of 5 ( new Platform , elevator, waiting...
more... room/clock room service)
3. Cleaniness in Railway: x out of 5 ( Platform cleaniness, train cleaning, water availability , coach upgradtion. etc)
4. coverage of route : x out of 5 ( Link of some train, seasonal operations, Special pilgrimage train etc)
5. Facility/Service in Railway : x out of 5 (Pantry & it quality, water aviability, Information centres reachability, Platform service etc )
6. Accessibility of Service in Railway : x out of 5. ( Food availibilty and quality , Passenger facilty , user friendly service, Porter , wheel chair etc)
7. Cost management in Railway : x out of 5 (Fare for passenger, Goods, Waiting room , Platform tkt etc etc)