Because Politicians count giving things as achievement instead of maintaining them.
Dubey Ji despite his phenomenal achievements never once looked at the maintenance or punctuality of the trains he pushed for introduction.
Whether or not are they really feasible ? Someone from Godda ends up spending more than Double of Time it'll take for him to reach Jasidih just because you want to cover places that actually ensure existence of train like Bhagalpur.
Choose...
more... representation based on Marketing, get results that are based on Marketing Eye Candies.
Even people don't bother Politicians regarding maintenance of trains Politicians took credit for introducing.
Baaki ka ...... Selfie Points ka bhi toh kharcha nikaalna hai Guru ЁЯШВ. If you get my point.