Sir, Little bit correction in your information
For Jaipur.. Demand by Jamshedpur MP
For Bikaner.. Demand by Purulia MP
(Currently Rajasthan MPs are not demanding this train)
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more...
Personally I observed.. Train is overloaded already and having long route for TATA so no need of extension to anywhere beyond delhi... Best solution yahi h.... CDG can go but still NDLS will face quota problem