Jahan tak hmko pata h abhi tak GRL tak hi doubling ho paaya h.. to i can't predict doubling kab tak hoga..
Halaki you have to be really optimistic ki doubling k baad bhi kuch badlega.. jab tak ECR mfp se via ppta dnr ara mgs ya mfp ppta pnbe jhd gaya koi train nhi chalaayega is route ka koi auchitya nhi hai..
ECR ko to ppta se pnbe bhi extend krne mein bhi problem hota h