Then where does primary happen?

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Exactly at HWH RLY STN?
Depot ka name dalna chahiye

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On request

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Done

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HWH is not just the code for the station...it is used for the coaching depots, loco sheds as well. I just mean,it is never wrong to write PM/base-HWH. Railways write it themselves (as u can see in attachments). It is we,the railfans, who in a purpose of providing some extra information, write the name of coaching depots (which is also not incorrect, but something 'extra' for Howrah's case)

Anyways the above update is supposed to be incorrect as the train will not require Secondary attention.

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