Myntra.com — refund money not received and neither responding mail and calls

Address:

rk 43 radhakunj kalindipuram

I had purchased one items from myntra dt 05..5.2020 order no - 114057594386376648201 and the same item returned by me for which i should have receive the return refund of rs 2599 but till date 24.05.2020 myntra has not refunded me the above amount and i have confirmed from my bank that they have also not received any amount on behalf of me. I have contacted myntra for several times through mail and over phone but there is no response from them.
Hence requesting you please look into the matter and help me out.