You should not use this card, no way they can tell if its details are stolen or not.
I would suggest closing it completely if they are not willing to replace it.
Just a reminder here, OneCard charges you ₹3,000 for closing your account within 6 months of virtual card activation.
The OneCard Credit Card Most Important Terms and Conditions (MITC)
These Most Important Terms and Conditions apply to OneCard Credit Card
www.getonecard.app