sometimes, it does even take more.
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actually, NDLS HWH k mission raftaar mei cnb-lko bhi include kia gya hai. hence speed upgradation is planning (although planning hi chal rhi hai)
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Quadrupling of CNB-LKO...
more... is also under proposal...
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similar to CNB-LKO (72km) inclusion in Mission Raftaar, similarly, TDL - AF (23km) sud also be included.