Myntra.com — refund not transferred to bank account

I have cancelled my prepaid order on 20 of apr 2019 but my refund not transferred to my bank account till date i. E 01/04/2019, i have called to myntra customer care 3 to 4 times but not necessary action taken by myntra site.
Registered mob -[protected]
Name - bhagirath singh
Email-bhagirath. [protected]@gmail.com
This is final reminder if necessary action not taken by myntra than i will file a case against company and see in the court.
What kind of service proving myntra online shopping store.
Same thing happened with my cosin priya chanda.
Registered mob -[protected]
Email - [protected]@gmail.com.
Name - chanda priya