src hapa humsafar railway chlaane wala hai ye aapko iri pr rfs k alava or kahan se ptaa chala hai....source of info kya hai ki hapa hs chlne waali hai apart from iri discussions....i don't think src hapa hs jaisi koi train railway ne final ki hai...ser marked rakes mil skti hai but there's no info ki wo kis train ko mili hai....ek rake to nanded-jammu ko mil gaya....ye rake ranchi chala gaya