Somanko Sir i think you are correct...i think yeh jo 5 rakes SER mein other zones k standing hai...anyone from this e jaa raha hoga ASANSOL se JAIPUR. Ho sakta hai ki kaal ek Railfan ne NR ka CBC rake towards santragachi jate huye dekha may b yeh wohi rake hai jo Asansol chala gaya abhi one way spl banke JAIPUR chala jai..