Indian Railway Catering & Tourism Corporation [IRCTC] — cancelled train but reschedule. train no. 22660

I have booked two tickets to ernkulam in train no. 22660 from panvel for 12th dec'17, but on 7th i haave receive sms from ad-irsmsa for train cancelled due to unavoidable circumstances. So i have booked on another train for 12th journey to ernakulam from panvel. But on 12th dec'17 train no. 22660 which is cancelled arrived on 12th dec'17 to panvel. I was shocked. No sms receive for reshedule and refund also not received. Please look into the matter for refund.