GST REFUND AGAINST CASH LEDGER

Dear Sir/Mam,
I am running a ecommerce company and every month I am receiving tcs credit as well as I am filling return of tcs credit in gst and the same tcs is credited in my gst cash ledger, I have not applied for cash ledger refund till June 2020, now in July 2020 I have applied for cash ledger refund, my application for gst refund has been acknowledged and bank name also verified by PFMS, but still I have not received any gst refund, kindly guide me in this, how much time more needed by AVATO to process the same because NO CHANGE IN STATUS OF ARN SINCE 15 DAYS.