This train has a sad history for LKO ppl.
Earlier dere were 2 trains, 12183/84 bpl pbh and 12193/94 bpl ljn .
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But sadly, 12193/94 was extended to PBH and LKO ppl lost a dedicated train to bpl. (GNWL quota lost too)
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more...
In next TT, dey were merged to make one train 12183/84.
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I wud add one pic here soon for better understanding.