Indian Railway Catering & Tourism Corporation [IRCTC] — refund amount of cancelled ticket

I've booked the tickets from chennai to mumbai and it got cancelled due to the extended lockdown till may 3rd.
I haven't received the money yet to my account

Ticket details
1)
Transaction id: [protected]
Cancellation id:
[protected]
Pnr number:
Train no: 11028
Train name: mumbai mail
From station: chennai central
To station: cstm
Date of journey:[protected]

Date of booking:[protected]
Total ticket fare: rs 582.70