Indian Bank — refund money is not credited in my account

Address:

Urappakkam branch

I have booked ticket in redbus on 11/6/2019 1.45 pm (ramu travels, bus fare 500). Amount will be transferd using debit card, unfortunately the ticket was cancelled, but till date i have not received my money back after that i called redbus coustmer care, he said amont will be bank hold .so i complained
A/c holder :k. Umarani
A/c no :[protected]
Ifsc code :IDIB000G019
I also attached a screen shot received from red bus