Southern Railway — refund of e ticket cancelled train 12678 floods in kerala

My name is manoharan. I bought a ticket online for thrissur to ksr bengaluru in the train 12678 - bangalore intercity sf express on 16/8/18 boarding at thrissur
Costing1780.

The pnr no is [protected]

The train did not come as there was flood in kerala and palakkad _ernakulam section was closed.

Due to floods in kerala there was no power for 4 days. I couldnot claim the refund through online.

Please do the needful for refund of the same