Using Aam Aadmi Tatkal Chrome Browser Plugin you can send Ticket SMS to ANY mobile number in India and it costs only 38 paisa/SMS.
Here is the train ticket detail format in which SMS is sent to your mobile if you've correctly entered your number. If you have lost your printout of e-ticket or don't have your SMS then simply send a SMS to yourself making your ticket in this format and show it to TTE!
PNR:2438941616,TRAIN:12138,DOJ:25-08-2012,TIME:05:15,SL,NDLS TO FDB,RAMESH KUMAR,RLWL 103,FARE:140,SC:10+PG CHGS.
PNR:2438941616,TRAIN:12138,DOJ:25-08-2012,TIME:05:15,SL,NDLS TO FDB,RAMESH KUMAR+2,S7 49 S7 52 S7 55,FARE:140,SC:10+PG CHGS.