Van Huesen - App not working return request raised on email return item collected but refund never provided

Ticket CAS-******-Z*D*L* (Order id: ******* )
In my Order id: ******* , there were * products.
Out of which * items have gone in return - * trousers of waist ** size and * xs Blazer.
I have received a refund of Rs.**** to my account on **/**/**** for * trouser. A Few days later I received * credit refund of Rs. **** another trouser but that too disappeared after *-* days from app. After writing to team it was refunded back to account , but no update for Blazer from Van Huesen Team. For the Blazer I am writing to team since last * weeks.
The amount Rs. **** is held by Van Huesen. No update is being received from their side. neither their app works. Please process return for : TRACK NUMBER: ************ (Blazer) : Van Heusen Black Blazer-Color : Black, Size : XS , Rs *,***.**
The above Blazer shipment has been delivered back to your team on *nd April as Ecom express states.