At any given time, Openly speaking it is much important train than Shivganga, Prayagraj etc, New Delhi to Kolkata is obviously important as it connects economic giants, Delhi-Howrah/Mumbai/Chennai/Banglore route par end to end chalne wali train se important aur koi kaise ho sakti hai!!!
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Aur MDP Jasidih ko Kolkata Delhi Patna sabse Poorva hi to jodti hai!!