Every Rail Minister brings in his/her own concepts and the next RM stops it.
one RM introduced Garib Rath and Jan Sadharan Exp which was discontinued by another RM
Then She introduced Duronto Exp which was terminated by following RM.
Now curretn RM has introduced Humsafar, Tejas, Uday and Antyodaya (similar to Jansadharan).
If...
more... BJP looses in next election, the new RM will come up with his/her own new concepts and the current ones will be discontinued.