Indian Railways — no customer service

Address:

600044

I booked a ticket on train no 12521 to chalakudy. Departure time should be 11:50pm but at the time i reached station there was a notification that the train will be arriving at 4:20am and i was not informed or got any sms as i have booked online through irctc. I was waiting there for almost five hours and at 4 am arrival time changed to 5am and again 5:20 and again 5:30... I was waiting in the station for 6 hours.. If i have got the information early i could have saved my time.. This was very irritating and no one was there to help or in the help desk. This show that railway service has 0% customer service... I need a refund for the long waiting and for 0% customer service...