Champaran HumSafar Express : इन अजनबी सी राहों में, जो तू मेरा हमसफ़र हो जाये, बीत जाए पल भर में ये वक़्त, और हसीन सफ़र हो जाये. - Piyush Singh

This is the Mobile Photo taken by me of the Newspaper Clipping I still have with me. This Clipping clearly states that then Train No : 2277/2278 Kolkata - Amritsar Superfast(Bi-Weekly) Express is to start from 13.3.2010, later Unofficially renamed as Punjab Express.
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The Inaugural Special ran as Train No : 2277A from KOAA Stn on 13th March, 2010 and it's Regular Service started from ASR on 15th March, 2010 and from KOAA on 16th March, 2010.
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At that time the 2nd AC Base Fare was Rs. 1626 + Reservation Charge of Rs. 25 + Superfast Charge of Rs. 30 = Total of Rs. 1681 ... Now it may have increased.
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The other train was 2938/2937 Howrah - Gandhidham Superfast(Weekly) Express, later officially renamed as Garbha Express.