Marked green for all chains except /chain/15435/1620/77. (No flags)
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Reasons:
> Less Buffer, since first train is passenger, chances are that it might be delayed / made to halt enroute for overtake.
>...
more... PUNE-KOP bus connectivity is far better, even if you catch a bus at say 5 am, you will be in KOP by 10.00 am. Travelling PUNE-KOP by train is too time consuming.