Indian Railway Catering & Tourism Corporation [IRCTC] — tdr not processed and cancelled with wrong reason

Booking date: 01-jul-2019
Travel date: 02-jul-2019
Tdr date: 02-jul-2019

I had booked a ticket to travel to pune from cstm.
However due to heavy rainfall, train was cancelled between cstm to pune. I had raised the tdr to get the refund and have
Been following up for around 6 months. But i have not got my refund and instead my request was cancelled with the reason as
Passenger has travelled. I am not sure how irctc is claiming that passenger has travelled on a train that was cancelled. I have
Followed up for around 6 months via call and emails. This is my last attempt, hope i get my refund.